98568980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 211555344

約数和(自身を除く): 112986364

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 181, 292, 362, 365, 373, 724, 730, 746, 905, 1460, 1492, 1810, 1865, 3620, 3730, 7460, 13213, 26426, 27229, 52852, 54458, 66065, 67513, 108916, 132130, 135026, 136145, 264260, 270052, 272290, 337565, 544580, 675130, 1350260, 4928449, 9856898, 19713796, 24642245, 49284490, 98568980]

約数ペア:

[(1, 98568980), (2, 49284490), (4, 24642245), (5, 19713796), (10, 9856898), (20, 4928449), (73, 1350260), (146, 675130), (181, 544580), (292, 337565), (362, 272290), (365, 270052), (373, 264260), (724, 136145), (730, 135026), (746, 132130), (905, 108916), (1460, 67513), (1492, 66065), (1810, 54458), (1865, 52852), (3620, 27229), (3730, 26426), (7460, 13213)]