138400510

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{72461}}^1$

素因数の和:72659

約数の個数: 16

約数和(自身を含む): 250428672

約数和(自身を除く): 112028162

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 72461, 144922, 362305, 724610, 13840051, 27680102, 69200255, 138400510]

約数ペア:

[(1, 138400510), (2, 69200255), (5, 27680102), (10, 13840051), (191, 724610), (382, 362305), (955, 144922), (1910, 72461)]