168997640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{603563}}^1$

素因数の和:603581

約数の個数: 32

約数和(自身を含む): 434566080

約数和(自身を除く): 265568440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 603563, 1207126, 2414252, 3017815, 4224941, 4828504, 6035630, 8449882, 12071260, 16899764, 21124705, 24142520, 33799528, 42249410, 84498820, 168997640]

約数ペア:

[(1, 168997640), (2, 84498820), (4, 42249410), (5, 33799528), (7, 24142520), (8, 21124705), (10, 16899764), (14, 12071260), (20, 8449882), (28, 6035630), (35, 4828504), (40, 4224941), (56, 3017815), (70, 2414252), (140, 1207126), (280, 603563)]