4420450

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 24

約数和(自身を含む): 8280720

約数和(自身を除く): 3860270

約数列:

[1, 2, 5, 10, 25, 50, 211, 419, 422, 838, 1055, 2095, 2110, 4190, 5275, 10475, 10550, 20950, 88409, 176818, 442045, 884090, 2210225, 4420450]

約数ペア:

[(1, 4420450), (2, 2210225), (5, 884090), (10, 442045), (25, 176818), (50, 88409), (211, 20950), (419, 10550), (422, 10475), (838, 5275), (1055, 4190), (2095, 2110)]