628672380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78781}}^1$

素因数の和:78819

約数の個数: 96

約数和(自身を含む): 2117660160

約数和(自身を除く): 1488987780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 78781, 157562, 236343, 315124, 393905, 472686, 551467, 787810, 945372, 1102934, 1181715, 1496839, 1575620, 1654401, 2205868, 2363430, 2757335, 2993678, 3308802, 4490517, 4726860, 5514670, 5987356, 6617604, 7484195, 8272005, 8981034, 10477873, 11029340, 14968390, 16544010, 17962068, 20955746, 22452585, 29936780, 31433619, 33088020, 41911492, 44905170, 52389365, 62867238, 89810340, 104778730, 125734476, 157168095, 209557460, 314336190, 628672380]

約数ペア:

[(1, 628672380), (2, 314336190), (3, 209557460), (4, 157168095), (5, 125734476), (6, 104778730), (7, 89810340), (10, 62867238), (12, 52389365), (14, 44905170), (15, 41911492), (19, 33088020), (20, 31433619), (21, 29936780), (28, 22452585), (30, 20955746), (35, 17962068), (38, 16544010), (42, 14968390), (57, 11029340), (60, 10477873), (70, 8981034), (76, 8272005), (84, 7484195), (95, 6617604), (105, 5987356), (114, 5514670), (133, 4726860), (140, 4490517), (190, 3308802), (210, 2993678), (228, 2757335), (266, 2363430), (285, 2205868), (380, 1654401), (399, 1575620), (420, 1496839), (532, 1181715), (570, 1102934), (665, 945372), (798, 787810), (1140, 551467), (1330, 472686), (1596, 393905), (1995, 315124), (2660, 236343), (3990, 157562), (7980, 78781)]