42408940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{302921}}^1$

素因数の和:302937

約数の個数: 24

約数和(自身を含む): 101781792

約数和(自身を除く): 59372852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 302921, 605842, 1211684, 1514605, 2120447, 3029210, 4240894, 6058420, 8481788, 10602235, 21204470, 42408940]

約数ペア:

[(1, 42408940), (2, 21204470), (4, 10602235), (5, 8481788), (7, 6058420), (10, 4240894), (14, 3029210), (20, 2120447), (28, 1514605), (35, 1211684), (70, 605842), (140, 302921)]