1285441490

素因数分解:

$2^1\times 5^1\times {\mathrm{11981}}^1\times {\mathrm{10729}}^1$

素因数の和:22717

約数の個数: 16

約数和(自身を含む): 2314203480

約数和(自身を除く): 1028761990

約数列:

[1, 2, 5, 10, 10729, 11981, 21458, 23962, 53645, 59905, 107290, 119810, 128544149, 257088298, 642720745, 1285441490]

約数ペア:

[(1, 1285441490), (2, 642720745), (5, 257088298), (10, 128544149), (10729, 119810), (11981, 107290), (21458, 59905), (23962, 53645)]