204465250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 421200000

約数和(自身を除く): 216734750

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 149, 250, 275, 298, 499, 550, 745, 998, 1375, 1490, 1639, 2495, 2750, 3278, 3725, 4990, 5489, 7450, 8195, 10978, 12475, 16390, 18625, 24950, 27445, 37250, 40975, 54890, 62375, 74351, 81950, 124750, 137225, 148702, 204875, 274450, 371755, 409750, 686125, 743510, 817861, 1372250, 1635722, 1858775, 3717550, 4089305, 8178610, 9293875, 18587750, 20446525, 40893050, 102232625, 204465250]

約数ペア:

[(1, 204465250), (2, 102232625), (5, 40893050), (10, 20446525), (11, 18587750), (22, 9293875), (25, 8178610), (50, 4089305), (55, 3717550), (110, 1858775), (125, 1635722), (149, 1372250), (250, 817861), (275, 743510), (298, 686125), (499, 409750), (550, 371755), (745, 274450), (998, 204875), (1375, 148702), (1490, 137225), (1639, 124750), (2495, 81950), (2750, 74351), (3278, 62375), (3725, 54890), (4990, 40975), (5489, 37250), (7450, 27445), (8195, 24950), (10978, 18625), (12475, 16390)]