1578220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11273}}^1$

素因数の和:11289

約数の個数: 24

約数和(自身を含む): 3788064

約数和(自身を除く): 2209844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11273, 22546, 45092, 56365, 78911, 112730, 157822, 225460, 315644, 394555, 789110, 1578220]

約数ペア:

[(1, 1578220), (2, 789110), (4, 394555), (5, 315644), (7, 225460), (10, 157822), (14, 112730), (20, 78911), (28, 56365), (35, 45092), (70, 22546), (140, 11273)]