421379600

素因数分解:

$2^4\times 5^2\times {\mathrm{1053449}}^1$

素因数の和:1053467

約数の個数: 30

約数和(自身を含む): 1012365450

約数和(自身を除く): 590985850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1053449, 2106898, 4213796, 5267245, 8427592, 10534490, 16855184, 21068980, 26336225, 42137960, 52672450, 84275920, 105344900, 210689800, 421379600]

約数ペア:

[(1, 421379600), (2, 210689800), (4, 105344900), (5, 84275920), (8, 52672450), (10, 42137960), (16, 26336225), (20, 21068980), (25, 16855184), (40, 10534490), (50, 8427592), (80, 5267245), (100, 4213796), (200, 2106898), (400, 1053449)]