123900070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1770001}}^1$

素因数の和:1770015

約数の個数: 16

約数和(自身を含む): 254880288

約数和(自身を除く): 130980218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1770001, 3540002, 8850005, 12390007, 17700010, 24780014, 61950035, 123900070]

約数ペア:

[(1, 123900070), (2, 61950035), (5, 24780014), (7, 17700010), (10, 12390007), (14, 8850005), (35, 3540002), (70, 1770001)]