208023940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{443}}^2$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 446099724

約数和(自身を除く): 238075784

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 443, 530, 886, 1060, 1772, 2215, 4430, 8860, 23479, 46958, 93916, 117395, 196249, 234790, 392498, 469580, 784996, 981245, 1962490, 3924980, 10401197, 20802394, 41604788, 52005985, 104011970, 208023940]

約数ペア:

[(1, 208023940), (2, 104011970), (4, 52005985), (5, 41604788), (10, 20802394), (20, 10401197), (53, 3924980), (106, 1962490), (212, 981245), (265, 784996), (443, 469580), (530, 392498), (886, 234790), (1060, 196249), (1772, 117395), (2215, 93916), (4430, 46958), (8860, 23479)]