89972210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^2$

素因数の和:1150

約数の個数: 24

約数和(自身を含む): 167835780

約数和(自身を除く): 77863570

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 557, 1114, 2785, 5570, 16153, 32306, 80765, 161530, 310249, 620498, 1551245, 3102490, 8997221, 17994442, 44986105, 89972210]

約数ペア:

[(1, 89972210), (2, 44986105), (5, 17994442), (10, 8997221), (29, 3102490), (58, 1551245), (145, 620498), (290, 310249), (557, 161530), (1114, 80765), (2785, 32306), (5570, 16153)]