128308870

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{154589}}^1$

素因数の和:154679

約数の個数: 16

約数和(自身を含む): 233740080

約数和(自身を除く): 105431210

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 154589, 309178, 772945, 1545890, 12830887, 25661774, 64154435, 128308870]

約数ペア:

[(1, 128308870), (2, 64154435), (5, 25661774), (10, 12830887), (83, 1545890), (166, 772945), (415, 309178), (830, 154589)]