211344680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{310801}}^1$

素因数の和:310829

約数の個数: 32

約数和(自身を含む): 503499240

約数和(自身を除く): 292154560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 310801, 621602, 1243204, 1554005, 2486408, 3108010, 5283617, 6216020, 10567234, 12432040, 21134468, 26418085, 42268936, 52836170, 105672340, 211344680]

約数ペア:

[(1, 211344680), (2, 105672340), (4, 52836170), (5, 42268936), (8, 26418085), (10, 21134468), (17, 12432040), (20, 10567234), (34, 6216020), (40, 5283617), (68, 3108010), (85, 2486408), (136, 1554005), (170, 1243204), (340, 621602), (680, 310801)]