90417460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645839}}^1$

素因数の和:645855

約数の個数: 24

約数和(自身を含む): 217002240

約数和(自身を除く): 126584780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645839, 1291678, 2583356, 3229195, 4520873, 6458390, 9041746, 12916780, 18083492, 22604365, 45208730, 90417460]

約数ペア:

[(1, 90417460), (2, 45208730), (4, 22604365), (5, 18083492), (7, 12916780), (10, 9041746), (14, 6458390), (20, 4520873), (28, 3229195), (35, 2583356), (70, 1291678), (140, 645839)]