148555490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{3929}}^1$

素因数の和:4154

約数の個数: 32

約数和(自身を含む): 282960000

約数和(自身を除く): 134404510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 3781, 3929, 7562, 7858, 18905, 19645, 37810, 39290, 74651, 149302, 373255, 746510, 781871, 1563742, 3909355, 7818710, 14855549, 29711098, 74277745, 148555490]

約数ペア:

[(1, 148555490), (2, 74277745), (5, 29711098), (10, 14855549), (19, 7818710), (38, 3909355), (95, 1563742), (190, 781871), (199, 746510), (398, 373255), (995, 149302), (1990, 74651), (3781, 39290), (3929, 37810), (7562, 19645), (7858, 18905)]