20178687100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:477

約数の個数: 288

約数和(自身を含む): 53308588032

約数和(自身を除く): 33129900932

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 41, 44, 50, 52, 55, 65, 82, 100, 110, 127, 130, 143, 164, 205, 220, 254, 260, 271, 275, 286, 325, 410, 451, 508, 533, 542, 550, 572, 635, 650, 715, 820, 902, 1025, 1066, 1084, 1100, 1270, 1300, 1355, 1397, 1430, 1651, 1804, 2050, 2132, 2255, 2540, 2665, 2710, 2794, 2860, 2981, 3175, 3302, 3523, 3575, 4100, 4510, 5207, 5330, 5420, 5588, 5863, 5962, 6350, 6604, 6775, 6985, 7046, 7150, 8255, 9020, 10414, 10660, 11111, 11275, 11726, 11924, 12700, 13325, 13550, 13970, 14092, 14300, 14905, 16510, 17615, 18161, 20828, 22222, 22550, 23452, 26035, 26650, 27100, 27940, 29315, 29810, 33020, 34417, 34925, 35230, 36322, 38753, 41275, 44444, 45100, 52070, 53300, 55555, 57277, 58630, 59620, 67691, 68834, 69850, 70460, 72644, 74525, 77506, 82550, 88075, 90805, 104140, 111110, 114554, 117260, 122221, 130175, 135382, 137668, 139700, 144443, 146575, 149050, 155012, 165100, 172085, 176150, 181610, 193765, 222220, 229108, 244442, 260350, 270764, 277775, 286385, 288886, 293150, 298100, 338455, 344170, 352300, 363220, 378587, 387530, 447421, 454025, 488884, 520700, 555550, 572770, 577772, 586300, 611105, 676910, 688340, 722215, 744601, 757174, 775060, 860425, 894842, 908050, 968825, 1111100, 1145540, 1222210, 1353820, 1411097, 1431925, 1444430, 1489202, 1514348, 1588873, 1692275, 1720850, 1789684, 1816100, 1892935, 1937650, 2237105, 2444420, 2822194, 2863850, 2888860, 2978404, 3055525, 3177746, 3384550, 3441700, 3611075, 3723005, 3785870, 3875300, 4474210, 4921631, 5644388, 5727700, 6111050, 6355492, 6769100, 7055485, 7222150, 7446010, 7571740, 7944365, 8948420, 9464675, 9843262, 11185525, 12222100, 14110970, 14444300, 14892020, 15522067, 15888730, 18344261, 18615025, 18929350, 19686524, 22371050, 24608155, 28221940, 31044134, 31777460, 35277425, 36688522, 37230050, 37858700, 39721825, 44742100, 49216310, 62088268, 70554850, 73377044, 74460100, 77610335, 79443650, 91721305, 98432620, 123040775, 141109700, 155220670, 158887300, 183442610, 201786871, 246081550, 310441340, 366885220, 388051675, 403573742, 458606525, 492163100, 776103350, 807147484, 917213050, 1008934355, 1552206700, 1834426100, 2017868710, 4035737420, 5044671775, 10089343550, 20178687100]

約数ペア:

[(1, 20178687100), (2, 10089343550), (4, 5044671775), (5, 4035737420), (10, 2017868710), (11, 1834426100), (13, 1552206700), (20, 1008934355), (22, 917213050), (25, 807147484), (26, 776103350), (41, 492163100), (44, 458606525), (50, 403573742), (52, 388051675), (55, 366885220), (65, 310441340), (82, 246081550), (100, 201786871), (110, 183442610), (127, 158887300), (130, 155220670), (143, 141109700), (164, 123040775), (205, 98432620), (220, 91721305), (254, 79443650), (260, 77610335), (271, 74460100), (275, 73377044), (286, 70554850), (325, 62088268), (410, 49216310), (451, 44742100), (508, 39721825), (533, 37858700), (542, 37230050), (550, 36688522), (572, 35277425), (635, 31777460), (650, 31044134), (715, 28221940), (820, 24608155), (902, 22371050), (1025, 19686524), (1066, 18929350), (1084, 18615025), (1100, 18344261), (1270, 15888730), (1300, 15522067), (1355, 14892020), (1397, 14444300), (1430, 14110970), (1651, 12222100), (1804, 11185525), (2050, 9843262), (2132, 9464675), (2255, 8948420), (2540, 7944365), (2665, 7571740), (2710, 7446010), (2794, 7222150), (2860, 7055485), (2981, 6769100), (3175, 6355492), (3302, 6111050), (3523, 5727700), (3575, 5644388), (4100, 4921631), (4510, 4474210), (5207, 3875300), (5330, 3785870), (5420, 3723005), (5588, 3611075), (5863, 3441700), (5962, 3384550), (6350, 3177746), (6604, 3055525), (6775, 2978404), (6985, 2888860), (7046, 2863850), (7150, 2822194), (8255, 2444420), (9020, 2237105), (10414, 1937650), (10660, 1892935), (11111, 1816100), (11275, 1789684), (11726, 1720850), (11924, 1692275), (12700, 1588873), (13325, 1514348), (13550, 1489202), (13970, 1444430), (14092, 1431925), (14300, 1411097), (14905, 1353820), (16510, 1222210), (17615, 1145540), (18161, 1111100), (20828, 968825), (22222, 908050), (22550, 894842), (23452, 860425), (26035, 775060), (26650, 757174), (27100, 744601), (27940, 722215), (29315, 688340), (29810, 676910), (33020, 611105), (34417, 586300), (34925, 577772), (35230, 572770), (36322, 555550), (38753, 520700), (41275, 488884), (44444, 454025), (45100, 447421), (52070, 387530), (53300, 378587), (55555, 363220), (57277, 352300), (58630, 344170), (59620, 338455), (67691, 298100), (68834, 293150), (69850, 288886), (70460, 286385), (72644, 277775), (74525, 270764), (77506, 260350), (82550, 244442), (88075, 229108), (90805, 222220), (104140, 193765), (111110, 181610), (114554, 176150), (117260, 172085), (122221, 165100), (130175, 155012), (135382, 149050), (137668, 146575), (139700, 144443)]