399955570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{154423}}^1$

素因数の和:154474

約数の個数: 32

約数和(自身を含む): 845008128

約数和(自身を除く): 445052558

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 154423, 308846, 772115, 1080961, 1544230, 2161922, 5404805, 5713651, 10809610, 11427302, 28568255, 39995557, 57136510, 79991114, 199977785, 399955570]

約数ペア:

[(1, 399955570), (2, 199977785), (5, 79991114), (7, 57136510), (10, 39995557), (14, 28568255), (35, 11427302), (37, 10809610), (70, 5713651), (74, 5404805), (185, 2161922), (259, 1544230), (370, 1080961), (518, 772115), (1295, 308846), (2590, 154423)]