19601260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140009}}^1$

素因数の和:140025

約数の個数: 24

約数和(自身を含む): 47043360

約数和(自身を除く): 27442100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140009, 280018, 560036, 700045, 980063, 1400090, 1960126, 2800180, 3920252, 4900315, 9800630, 19601260]

約数ペア:

[(1, 19601260), (2, 9800630), (4, 4900315), (5, 3920252), (7, 2800180), (10, 1960126), (14, 1400090), (20, 980063), (28, 700045), (35, 560036), (70, 280018), (140, 140009)]