297640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1063}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 766080

約数和(自身を除く): 468440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1063, 2126, 4252, 5315, 7441, 8504, 10630, 14882, 21260, 29764, 37205, 42520, 59528, 74410, 148820, 297640]

約数ペア:

[(1, 297640), (2, 148820), (4, 74410), (5, 59528), (7, 42520), (8, 37205), (10, 29764), (14, 21260), (20, 14882), (28, 10630), (35, 8504), (40, 7441), (56, 5315), (70, 4252), (140, 2126), (280, 1063)]