90995240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324983}}^1$

素因数の和:325001

約数の個数: 32

約数和(自身を含む): 233988480

約数和(自身を除く): 142993240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324983, 649966, 1299932, 1624915, 2274881, 2599864, 3249830, 4549762, 6499660, 9099524, 11374405, 12999320, 18199048, 22748810, 45497620, 90995240]

約数ペア:

[(1, 90995240), (2, 45497620), (4, 22748810), (5, 18199048), (7, 12999320), (8, 11374405), (10, 9099524), (14, 6499660), (20, 4549762), (28, 3249830), (35, 2599864), (40, 2274881), (56, 1624915), (70, 1299932), (140, 649966), (280, 324983)]