211399240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5569}}^1$

素因数の和:5666

約数の個数: 64

約数和(自身を含む): 519346800

約数和(自身を除く): 307947560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2920, 3796, 4745, 5569, 7592, 9490, 11138, 18980, 22276, 27845, 37960, 44552, 55690, 72397, 111380, 144794, 222760, 289588, 361985, 406537, 579176, 723970, 813074, 1447940, 1626148, 2032685, 2895880, 3252296, 4065370, 5284981, 8130740, 10569962, 16261480, 21139924, 26424905, 42279848, 52849810, 105699620, 211399240]

約数ペア:

[(1, 211399240), (2, 105699620), (4, 52849810), (5, 42279848), (8, 26424905), (10, 21139924), (13, 16261480), (20, 10569962), (26, 8130740), (40, 5284981), (52, 4065370), (65, 3252296), (73, 2895880), (104, 2032685), (130, 1626148), (146, 1447940), (260, 813074), (292, 723970), (365, 579176), (520, 406537), (584, 361985), (730, 289588), (949, 222760), (1460, 144794), (1898, 111380), (2920, 72397), (3796, 55690), (4745, 44552), (5569, 37960), (7592, 27845), (9490, 22276), (11138, 18980)]