2017112840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{4253}}^1$

素因数の和:4502

約数の個数: 64

約数和(自身を含む): 4631074560

約数和(自身を除く): 2613961720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 167, 284, 334, 355, 568, 668, 710, 835, 1336, 1420, 1670, 2840, 3340, 4253, 6680, 8506, 11857, 17012, 21265, 23714, 34024, 42530, 47428, 59285, 85060, 94856, 118570, 170120, 237140, 301963, 474280, 603926, 710251, 1207852, 1420502, 1509815, 2415704, 2841004, 3019630, 3551255, 5682008, 6039260, 7102510, 12078520, 14205020, 28410040, 50427821, 100855642, 201711284, 252139105, 403422568, 504278210, 1008556420, 2017112840]

約数ペア:

[(1, 2017112840), (2, 1008556420), (4, 504278210), (5, 403422568), (8, 252139105), (10, 201711284), (20, 100855642), (40, 50427821), (71, 28410040), (142, 14205020), (167, 12078520), (284, 7102510), (334, 6039260), (355, 5682008), (568, 3551255), (668, 3019630), (710, 2841004), (835, 2415704), (1336, 1509815), (1420, 1420502), (1670, 1207852), (2840, 710251), (3340, 603926), (4253, 474280), (6680, 301963), (8506, 237140), (11857, 170120), (17012, 118570), (21265, 94856), (23714, 85060), (34024, 59285), (42530, 47428)]