313072840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{52529}}^1$

素因数の和:52689

約数の個数: 32

約数和(自身を含む): 709155000

約数和(自身を除く): 396082160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 52529, 105058, 210116, 262645, 420232, 525290, 1050580, 2101160, 7826821, 15653642, 31307284, 39134105, 62614568, 78268210, 156536420, 313072840]

約数ペア:

[(1, 313072840), (2, 156536420), (4, 78268210), (5, 62614568), (8, 39134105), (10, 31307284), (20, 15653642), (40, 7826821), (149, 2101160), (298, 1050580), (596, 525290), (745, 420232), (1192, 262645), (1490, 210116), (2980, 105058), (5960, 52529)]