249366980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{123449}}^1$

素因数の和:123559

約数の個数: 24

約数和(自身を含む): 528859800

約数和(自身を除く): 279492820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 123449, 246898, 493796, 617245, 1234490, 2468980, 12468349, 24936698, 49873396, 62341745, 124683490, 249366980]

約数ペア:

[(1, 249366980), (2, 124683490), (4, 62341745), (5, 49873396), (10, 24936698), (20, 12468349), (101, 2468980), (202, 1234490), (404, 617245), (505, 493796), (1010, 246898), (2020, 123449)]