203938420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1456703}}^1$

素因数の和:1456719

約数の個数: 24

約数和(自身を含む): 489452544

約数和(自身を除く): 285514124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1456703, 2913406, 5826812, 7283515, 10196921, 14567030, 20393842, 29134060, 40787684, 50984605, 101969210, 203938420]

約数ペア:

[(1, 203938420), (2, 101969210), (4, 50984605), (5, 40787684), (7, 29134060), (10, 20393842), (14, 14567030), (20, 10196921), (28, 7283515), (35, 5826812), (70, 2913406), (140, 1456703)]