505957540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{5623}}^1$

素因数の和:6052

約数の個数: 48

約数和(自身を含む): 1162143360

約数和(自身を除く): 656185820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4499, 5623, 8180, 8998, 11246, 17996, 22492, 22495, 28115, 44990, 56230, 61853, 89980, 112460, 123706, 247412, 309265, 618530, 1237060, 2299807, 4599614, 9199228, 11499035, 22998070, 25297877, 45996140, 50595754, 101191508, 126489385, 252978770, 505957540]

約数ペア:

[(1, 505957540), (2, 252978770), (4, 126489385), (5, 101191508), (10, 50595754), (11, 45996140), (20, 25297877), (22, 22998070), (44, 11499035), (55, 9199228), (110, 4599614), (220, 2299807), (409, 1237060), (818, 618530), (1636, 309265), (2045, 247412), (4090, 123706), (4499, 112460), (5623, 89980), (8180, 61853), (8998, 56230), (11246, 44990), (17996, 28115), (22492, 22495)]