127020100

素因数分解:

$2^2\times 5^2\times {\mathrm{1270201}}^1$

素因数の和:1270215

約数の個数: 18

約数和(自身を含む): 275633834

約数和(自身を除く): 148613734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1270201, 2540402, 5080804, 6351005, 12702010, 25404020, 31755025, 63510050, 127020100]

約数ペア:

[(1, 127020100), (2, 63510050), (4, 31755025), (5, 25404020), (10, 12702010), (20, 6351005), (25, 5080804), (50, 2540402), (100, 1270201)]