480400

素因数分解:

$2^4\times 5^2\times {\mathrm{1201}}^1$

素因数の和:1219

約数の個数: 30

約数和(自身を含む): 1155122

約数和(自身を除く): 674722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1201, 2402, 4804, 6005, 9608, 12010, 19216, 24020, 30025, 48040, 60050, 96080, 120100, 240200, 480400]

約数ペア:

[(1, 480400), (2, 240200), (4, 120100), (5, 96080), (8, 60050), (10, 48040), (16, 30025), (20, 24020), (25, 19216), (40, 12010), (50, 9608), (80, 6005), (100, 4804), (200, 2402), (400, 1201)]