217427080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{418129}}^1$

素因数の和:418153

約数の個数: 32

約数和(自身を含む): 526843800

約数和(自身を除く): 309416720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 418129, 836258, 1672516, 2090645, 3345032, 4181290, 5435677, 8362580, 10871354, 16725160, 21742708, 27178385, 43485416, 54356770, 108713540, 217427080]

約数ペア:

[(1, 217427080), (2, 108713540), (4, 54356770), (5, 43485416), (8, 27178385), (10, 21742708), (13, 16725160), (20, 10871354), (26, 8362580), (40, 5435677), (52, 4181290), (65, 3345032), (104, 2090645), (130, 1672516), (260, 836258), (520, 418129)]