205024820

素因数分解:

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

素因数の和:84

約数の個数: 288

約数和(自身を含む): 625632000

約数和(自身を除く): 420607180

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 49, 52, 55, 65, 70, 76, 77, 91, 95, 98, 110, 121, 130, 133, 140, 143, 154, 182, 190, 196, 209, 220, 242, 245, 247, 260, 266, 286, 308, 343, 364, 380, 385, 418, 455, 484, 490, 494, 532, 539, 572, 605, 637, 665, 686, 715, 770, 836, 847, 910, 931, 980, 988, 1001, 1045, 1078, 1210, 1235, 1274, 1330, 1372, 1430, 1463, 1540, 1573, 1694, 1715, 1729, 1820, 1862, 2002, 2090, 2156, 2299, 2420, 2470, 2548, 2660, 2695, 2717, 2860, 2926, 3146, 3185, 3388, 3430, 3458, 3724, 3773, 4004, 4180, 4235, 4459, 4598, 4655, 4940, 5005, 5390, 5434, 5852, 5929, 6292, 6370, 6517, 6860, 6916, 7007, 7315, 7546, 7865, 8470, 8645, 8918, 9196, 9310, 10010, 10241, 10780, 10868, 11011, 11495, 11858, 12103, 12740, 13034, 13585, 14014, 14630, 15092, 15730, 16093, 16940, 17290, 17836, 18620, 18865, 19019, 20020, 20482, 22022, 22295, 22990, 23716, 24206, 26068, 27170, 28028, 29260, 29645, 29887, 31460, 32186, 32585, 34580, 35035, 37730, 38038, 40964, 41503, 44044, 44590, 45980, 48412, 49049, 51205, 54340, 55055, 59290, 59774, 60515, 64372, 65170, 70070, 71687, 75460, 76076, 77077, 80465, 83006, 84721, 89180, 95095, 98098, 102410, 110110, 112651, 118580, 119548, 121030, 130340, 133133, 140140, 143374, 149435, 154154, 160930, 166012, 169442, 190190, 196196, 204820, 207515, 209209, 220220, 225302, 242060, 245245, 266266, 286748, 298870, 308308, 321860, 338884, 358435, 380380, 385385, 415030, 418418, 423605, 450604, 490490, 532532, 539539, 563255, 597740, 665665, 716870, 770770, 788557, 830060, 836836, 847210, 931931, 980980, 1046045, 1079078, 1126510, 1331330, 1433740, 1464463, 1541540, 1577114, 1694420, 1863862, 2092090, 2158156, 2253020, 2662660, 2697695, 2928926, 3154228, 3727724, 3942785, 4184180, 4659655, 5395390, 5857852, 7322315, 7885570, 9319310, 10251241, 10790780, 14644630, 15771140, 18638620, 20502482, 29289260, 41004964, 51256205, 102512410, 205024820]

約数ペア:

[(1, 205024820), (2, 102512410), (4, 51256205), (5, 41004964), (7, 29289260), (10, 20502482), (11, 18638620), (13, 15771140), (14, 14644630), (19, 10790780), (20, 10251241), (22, 9319310), (26, 7885570), (28, 7322315), (35, 5857852), (38, 5395390), (44, 4659655), (49, 4184180), (52, 3942785), (55, 3727724), (65, 3154228), (70, 2928926), (76, 2697695), (77, 2662660), (91, 2253020), (95, 2158156), (98, 2092090), (110, 1863862), (121, 1694420), (130, 1577114), (133, 1541540), (140, 1464463), (143, 1433740), (154, 1331330), (182, 1126510), (190, 1079078), (196, 1046045), (209, 980980), (220, 931931), (242, 847210), (245, 836836), (247, 830060), (260, 788557), (266, 770770), (286, 716870), (308, 665665), (343, 597740), (364, 563255), (380, 539539), (385, 532532), (418, 490490), (455, 450604), (484, 423605), (490, 418418), (494, 415030), (532, 385385), (539, 380380), (572, 358435), (605, 338884), (637, 321860), (665, 308308), (686, 298870), (715, 286748), (770, 266266), (836, 245245), (847, 242060), (910, 225302), (931, 220220), (980, 209209), (988, 207515), (1001, 204820), (1045, 196196), (1078, 190190), (1210, 169442), (1235, 166012), (1274, 160930), (1330, 154154), (1372, 149435), (1430, 143374), (1463, 140140), (1540, 133133), (1573, 130340), (1694, 121030), (1715, 119548), (1729, 118580), (1820, 112651), (1862, 110110), (2002, 102410), (2090, 98098), (2156, 95095), (2299, 89180), (2420, 84721), (2470, 83006), (2548, 80465), (2660, 77077), (2695, 76076), (2717, 75460), (2860, 71687), (2926, 70070), (3146, 65170), (3185, 64372), (3388, 60515), (3430, 59774), (3458, 59290), (3724, 55055), (3773, 54340), (4004, 51205), (4180, 49049), (4235, 48412), (4459, 45980), (4598, 44590), (4655, 44044), (4940, 41503), (5005, 40964), (5390, 38038), (5434, 37730), (5852, 35035), (5929, 34580), (6292, 32585), (6370, 32186), (6517, 31460), (6860, 29887), (6916, 29645), (7007, 29260), (7315, 28028), (7546, 27170), (7865, 26068), (8470, 24206), (8645, 23716), (8918, 22990), (9196, 22295), (9310, 22022), (10010, 20482), (10241, 20020), (10780, 19019), (10868, 18865), (11011, 18620), (11495, 17836), (11858, 17290), (12103, 16940), (12740, 16093), (13034, 15730), (13585, 15092), (14014, 14630)]