201420400

素因数分解:

$2^4\times 5^2\times {\mathrm{503551}}^1$

素因数の和:503569

約数の個数: 30

約数和(自身を含む): 483913472

約数和(自身を除く): 282493072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 503551, 1007102, 2014204, 2517755, 4028408, 5035510, 8056816, 10071020, 12588775, 20142040, 25177550, 40284080, 50355100, 100710200, 201420400]

約数ペア:

[(1, 201420400), (2, 100710200), (4, 50355100), (5, 40284080), (8, 25177550), (10, 20142040), (16, 12588775), (20, 10071020), (25, 8056816), (40, 5035510), (50, 4028408), (80, 2517755), (100, 2014204), (200, 1007102), (400, 503551)]