408019600

素因数分解:

$2^4\times 5^2\times {\mathrm{1020049}}^1$

素因数の和:1020067

約数の個数: 30

約数和(自身を含む): 980268050

約数和(自身を除く): 572248450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1020049, 2040098, 4080196, 5100245, 8160392, 10200490, 16320784, 20400980, 25501225, 40801960, 51002450, 81603920, 102004900, 204009800, 408019600]

約数ペア:

[(1, 408019600), (2, 204009800), (4, 102004900), (5, 81603920), (8, 51002450), (10, 40801960), (16, 25501225), (20, 20400980), (25, 16320784), (40, 10200490), (50, 8160392), (80, 5100245), (100, 4080196), (200, 2040098), (400, 1020049)]