385778875

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 522980640

約数和(自身を除く): 137201765

約数列:

[1, 5, 17, 25, 59, 85, 125, 181, 289, 295, 425, 905, 1003, 1445, 1475, 2125, 3077, 4525, 5015, 7225, 7375, 10679, 15385, 17051, 22625, 25075, 36125, 52309, 53395, 76925, 85255, 125375, 181543, 261545, 266975, 384625, 426275, 907715, 1307725, 1334875, 2131375, 3086231, 4538575, 6538625, 15431155, 22692875, 77155775, 385778875]

約数ペア:

[(1, 385778875), (5, 77155775), (17, 22692875), (25, 15431155), (59, 6538625), (85, 4538575), (125, 3086231), (181, 2131375), (289, 1334875), (295, 1307725), (425, 907715), (905, 426275), (1003, 384625), (1445, 266975), (1475, 261545), (2125, 181543), (3077, 125375), (4525, 85255), (5015, 76925), (7225, 53395), (7375, 52309), (10679, 36125), (15385, 25075), (17051, 22625)]