69890900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{2579}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 152281920

約数和(自身を除く): 82391020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 2579, 2710, 5158, 5420, 6775, 10316, 12895, 13550, 25790, 27100, 51580, 64475, 128950, 257900, 698909, 1397818, 2795636, 3494545, 6989090, 13978180, 17472725, 34945450, 69890900]

約数ペア:

[(1, 69890900), (2, 34945450), (4, 17472725), (5, 13978180), (10, 6989090), (20, 3494545), (25, 2795636), (50, 1397818), (100, 698909), (271, 257900), (542, 128950), (1084, 64475), (1355, 51580), (2579, 27100), (2710, 25790), (5158, 13550), (5420, 12895), (6775, 10316)]