28990900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4327}}^1$

素因数の和:4408

約数の個数: 36

約数和(自身を含む): 63863968

約数和(自身を除く): 34873068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 3350, 4327, 6700, 8654, 17308, 21635, 43270, 86540, 108175, 216350, 289909, 432700, 579818, 1159636, 1449545, 2899090, 5798180, 7247725, 14495450, 28990900]

約数ペア:

[(1, 28990900), (2, 14495450), (4, 7247725), (5, 5798180), (10, 2899090), (20, 1449545), (25, 1159636), (50, 579818), (67, 432700), (100, 289909), (134, 216350), (268, 108175), (335, 86540), (670, 43270), (1340, 21635), (1675, 17308), (3350, 8654), (4327, 6700)]