1908100090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{30139}}^1$

素因数の和:30646

約数の個数: 32

約数和(自身を含む): 3706496640

約数和(自身を除く): 1798396550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 2435, 4870, 6331, 12662, 30139, 31655, 60278, 63310, 150695, 301390, 391807, 783614, 1959035, 3918070, 14677693, 29355386, 73388465, 146776930, 190810009, 381620018, 954050045, 1908100090]

約数ペア:

[(1, 1908100090), (2, 954050045), (5, 381620018), (10, 190810009), (13, 146776930), (26, 73388465), (65, 29355386), (130, 14677693), (487, 3918070), (974, 1959035), (2435, 783614), (4870, 391807), (6331, 301390), (12662, 150695), (30139, 63310), (31655, 60278)]