40688900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1629

約数の個数: 72

約数和(自身を含む): 103701696

約数和(自身を除く): 63012796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 925, 1036, 1295, 1571, 1850, 2590, 3142, 3700, 5180, 6284, 6475, 7855, 10997, 12950, 15710, 21994, 25900, 31420, 39275, 43988, 54985, 58127, 78550, 109970, 116254, 157100, 219940, 232508, 274925, 290635, 406889, 549850, 581270, 813778, 1099700, 1162540, 1453175, 1627556, 2034445, 2906350, 4068890, 5812700, 8137780, 10172225, 20344450, 40688900]

約数ペア:

[(1, 40688900), (2, 20344450), (4, 10172225), (5, 8137780), (7, 5812700), (10, 4068890), (14, 2906350), (20, 2034445), (25, 1627556), (28, 1453175), (35, 1162540), (37, 1099700), (50, 813778), (70, 581270), (74, 549850), (100, 406889), (140, 290635), (148, 274925), (175, 232508), (185, 219940), (259, 157100), (350, 116254), (370, 109970), (518, 78550), (700, 58127), (740, 54985), (925, 43988), (1036, 39275), (1295, 31420), (1571, 25900), (1850, 21994), (2590, 15710), (3142, 12950), (3700, 10997), (5180, 7855), (6284, 6475)]