42990190

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{15299}}^1$

素因数の和:15587

約数の個数: 16

約数和(自身を含む): 77662800

約数和(自身を除く): 34672610

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 15299, 30598, 76495, 152990, 4299019, 8598038, 21495095, 42990190]

約数ペア:

[(1, 42990190), (2, 21495095), (5, 8598038), (10, 4299019), (281, 152990), (562, 76495), (1405, 30598), (2810, 15299)]