1399450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2178

約数の個数: 24

約数和(自身を含む): 2804508

約数和(自身を除く): 1405058

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 2153, 4306, 10765, 21530, 27989, 53825, 55978, 107650, 139945, 279890, 699725, 1399450]

約数ペア:

[(1, 1399450), (2, 699725), (5, 279890), (10, 139945), (13, 107650), (25, 55978), (26, 53825), (50, 27989), (65, 21530), (130, 10765), (325, 4306), (650, 2153)]