400993490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{1297}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 740171520

約数和(自身を除く): 339178030

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 719, 1297, 1438, 2594, 3595, 6485, 7190, 12970, 30917, 55771, 61834, 111542, 154585, 278855, 309170, 557710, 932543, 1865086, 4662715, 9325430, 40099349, 80198698, 200496745, 400993490]

約数ペア:

[(1, 400993490), (2, 200496745), (5, 80198698), (10, 40099349), (43, 9325430), (86, 4662715), (215, 1865086), (430, 932543), (719, 557710), (1297, 309170), (1438, 278855), (2594, 154585), (3595, 111542), (6485, 61834), (7190, 55771), (12970, 30917)]