19969950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 71245440

約数和(自身を除く): 51275490

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 19, 21, 22, 25, 26, 30, 33, 35, 38, 39, 42, 49, 50, 55, 57, 65, 66, 70, 75, 77, 78, 91, 95, 98, 105, 110, 114, 130, 133, 143, 147, 150, 154, 165, 175, 182, 190, 195, 209, 210, 231, 245, 247, 266, 273, 275, 285, 286, 294, 325, 330, 350, 385, 390, 399, 418, 429, 455, 462, 475, 490, 494, 525, 539, 546, 550, 570, 627, 637, 650, 665, 715, 735, 741, 770, 798, 825, 858, 910, 931, 950, 975, 1001, 1045, 1050, 1078, 1155, 1225, 1235, 1254, 1274, 1330, 1365, 1425, 1430, 1463, 1470, 1482, 1617, 1650, 1729, 1862, 1911, 1925, 1950, 1995, 2002, 2090, 2145, 2275, 2310, 2450, 2470, 2695, 2717, 2730, 2793, 2850, 2926, 3003, 3135, 3185, 3234, 3325, 3458, 3575, 3675, 3705, 3822, 3850, 3990, 4290, 4389, 4550, 4655, 5005, 5187, 5225, 5390, 5434, 5586, 5775, 6006, 6175, 6270, 6370, 6650, 6825, 7007, 7150, 7315, 7350, 7410, 8085, 8151, 8645, 8778, 9310, 9555, 9975, 10010, 10241, 10374, 10450, 10725, 11550, 12103, 12350, 13475, 13585, 13650, 13965, 14014, 14630, 15015, 15675, 15925, 16170, 16302, 17290, 18525, 19019, 19110, 19950, 20482, 21021, 21450, 21945, 23275, 24206, 25025, 25935, 26950, 27170, 27930, 30030, 30723, 31350, 31850, 35035, 36309, 36575, 37050, 38038, 40425, 40755, 42042, 43225, 43890, 46550, 47775, 50050, 51205, 51870, 57057, 60515, 61446, 67925, 69825, 70070, 72618, 73150, 75075, 80850, 81510, 86450, 95095, 95550, 102410, 105105, 109725, 114114, 121030, 129675, 133133, 135850, 139650, 150150, 153615, 175175, 181545, 190190, 203775, 210210, 219450, 256025, 259350, 266266, 285285, 302575, 307230, 350350, 363090, 399399, 407550, 475475, 512050, 525525, 570570, 605150, 665665, 768075, 798798, 907725, 950950, 1051050, 1331330, 1426425, 1536150, 1815450, 1996995, 2852850, 3328325, 3993990, 6656650, 9984975, 19969950]

約数ペア:

[(1, 19969950), (2, 9984975), (3, 6656650), (5, 3993990), (6, 3328325), (7, 2852850), (10, 1996995), (11, 1815450), (13, 1536150), (14, 1426425), (15, 1331330), (19, 1051050), (21, 950950), (22, 907725), (25, 798798), (26, 768075), (30, 665665), (33, 605150), (35, 570570), (38, 525525), (39, 512050), (42, 475475), (49, 407550), (50, 399399), (55, 363090), (57, 350350), (65, 307230), (66, 302575), (70, 285285), (75, 266266), (77, 259350), (78, 256025), (91, 219450), (95, 210210), (98, 203775), (105, 190190), (110, 181545), (114, 175175), (130, 153615), (133, 150150), (143, 139650), (147, 135850), (150, 133133), (154, 129675), (165, 121030), (175, 114114), (182, 109725), (190, 105105), (195, 102410), (209, 95550), (210, 95095), (231, 86450), (245, 81510), (247, 80850), (266, 75075), (273, 73150), (275, 72618), (285, 70070), (286, 69825), (294, 67925), (325, 61446), (330, 60515), (350, 57057), (385, 51870), (390, 51205), (399, 50050), (418, 47775), (429, 46550), (455, 43890), (462, 43225), (475, 42042), (490, 40755), (494, 40425), (525, 38038), (539, 37050), (546, 36575), (550, 36309), (570, 35035), (627, 31850), (637, 31350), (650, 30723), (665, 30030), (715, 27930), (735, 27170), (741, 26950), (770, 25935), (798, 25025), (825, 24206), (858, 23275), (910, 21945), (931, 21450), (950, 21021), (975, 20482), (1001, 19950), (1045, 19110), (1050, 19019), (1078, 18525), (1155, 17290), (1225, 16302), (1235, 16170), (1254, 15925), (1274, 15675), (1330, 15015), (1365, 14630), (1425, 14014), (1430, 13965), (1463, 13650), (1470, 13585), (1482, 13475), (1617, 12350), (1650, 12103), (1729, 11550), (1862, 10725), (1911, 10450), (1925, 10374), (1950, 10241), (1995, 10010), (2002, 9975), (2090, 9555), (2145, 9310), (2275, 8778), (2310, 8645), (2450, 8151), (2470, 8085), (2695, 7410), (2717, 7350), (2730, 7315), (2793, 7150), (2850, 7007), (2926, 6825), (3003, 6650), (3135, 6370), (3185, 6270), (3234, 6175), (3325, 6006), (3458, 5775), (3575, 5586), (3675, 5434), (3705, 5390), (3822, 5225), (3850, 5187), (3990, 5005), (4290, 4655), (4389, 4550)]