1218376420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2100649}}^1$

素因数の和:2100687

約数の個数: 24

約数和(自身を含む): 2646819000

約数和(自身を除く): 1428442580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2100649, 4201298, 8402596, 10503245, 21006490, 42012980, 60918821, 121837642, 243675284, 304594105, 609188210, 1218376420]

約数ペア:

[(1, 1218376420), (2, 609188210), (4, 304594105), (5, 243675284), (10, 121837642), (20, 60918821), (29, 42012980), (58, 21006490), (116, 10503245), (145, 8402596), (290, 4201298), (580, 2100649)]