472743140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1390421}}^1$

素因数の和:1390447

約数の個数: 24

約数和(自身を含む): 1051159032

約数和(自身を除く): 578415892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1390421, 2780842, 5561684, 6952105, 13904210, 23637157, 27808420, 47274314, 94548628, 118185785, 236371570, 472743140]

約数ペア:

[(1, 472743140), (2, 236371570), (4, 118185785), (5, 94548628), (10, 47274314), (17, 27808420), (20, 23637157), (34, 13904210), (68, 6952105), (85, 5561684), (170, 2780842), (340, 1390421)]