408690260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1\times {\mathrm{1709}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 937681920

約数和(自身を除く): 528991660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1087, 1709, 2174, 3418, 4348, 5435, 6836, 8545, 10870, 11957, 17090, 18799, 21740, 23914, 34180, 37598, 47828, 59785, 75196, 93995, 119570, 187990, 239140, 375980, 1857683, 3715366, 7430732, 9288415, 18576830, 20434513, 37153660, 40869026, 81738052, 102172565, 204345130, 408690260]

約数ペア:

[(1, 408690260), (2, 204345130), (4, 102172565), (5, 81738052), (10, 40869026), (11, 37153660), (20, 20434513), (22, 18576830), (44, 9288415), (55, 7430732), (110, 3715366), (220, 1857683), (1087, 375980), (1709, 239140), (2174, 187990), (3418, 119570), (4348, 93995), (5435, 75196), (6836, 59785), (8545, 47828), (10870, 37598), (11957, 34180), (17090, 23914), (18799, 21740)]