357696820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1375757}}^1$

素因数の和:1375779

約数の個数: 24

約数和(自身を含む): 808945704

約数和(自身を除く): 451248884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1375757, 2751514, 5503028, 6878785, 13757570, 17884841, 27515140, 35769682, 71539364, 89424205, 178848410, 357696820]

約数ペア:

[(1, 357696820), (2, 178848410), (4, 89424205), (5, 71539364), (10, 35769682), (13, 27515140), (20, 17884841), (26, 13757570), (52, 6878785), (65, 5503028), (130, 2751514), (260, 1375757)]