89904830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 166320000

約数和(自身を除く): 76415170

約数列:

[1, 2, 5, 10, 43, 86, 215, 419, 430, 499, 838, 998, 2095, 2495, 4190, 4990, 18017, 21457, 36034, 42914, 90085, 107285, 180170, 209081, 214570, 418162, 1045405, 2090810, 8990483, 17980966, 44952415, 89904830]

約数ペア:

[(1, 89904830), (2, 44952415), (5, 17980966), (10, 8990483), (43, 2090810), (86, 1045405), (215, 418162), (419, 214570), (430, 209081), (499, 180170), (838, 107285), (998, 90085), (2095, 42914), (2495, 36034), (4190, 21457), (4990, 18017)]