201978460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{89371}}^1$

素因数の和:89493

約数の個数: 24

約数和(自身を含む): 427913136

約数和(自身を除く): 225934676

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 89371, 178742, 357484, 446855, 893710, 1787420, 10098923, 20197846, 40395692, 50494615, 100989230, 201978460]

約数ペア:

[(1, 201978460), (2, 100989230), (4, 50494615), (5, 40395692), (10, 20197846), (20, 10098923), (113, 1787420), (226, 893710), (452, 446855), (565, 357484), (1130, 178742), (2260, 89371)]