417870820

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{11411}}^1$

素因数の和:13251

約数の個数: 24

約数和(自身を含む): 878084928

約数和(自身を除く): 460214108

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 7324, 9155, 11411, 18310, 22822, 36620, 45644, 57055, 114110, 228220, 20893541, 41787082, 83574164, 104467705, 208935410, 417870820]

約数ペア:

[(1, 417870820), (2, 208935410), (4, 104467705), (5, 83574164), (10, 41787082), (20, 20893541), (1831, 228220), (3662, 114110), (7324, 57055), (9155, 45644), (11411, 36620), (18310, 22822)]