202428940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1445921}}^1$

素因数の和:1445937

約数の個数: 24

約数和(自身を含む): 485829792

約数和(自身を除く): 283400852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1445921, 2891842, 5783684, 7229605, 10121447, 14459210, 20242894, 28918420, 40485788, 50607235, 101214470, 202428940]

約数ペア:

[(1, 202428940), (2, 101214470), (4, 50607235), (5, 40485788), (7, 28918420), (10, 20242894), (14, 14459210), (20, 10121447), (28, 7229605), (35, 5783684), (70, 2891842), (140, 1445921)]