290279740

素因数分解:

$2^2\times 5^1\times {\mathrm{3319}}^1\times {\mathrm{4373}}^1$

素因数の和:7701

約数の個数: 24

約数和(自身を含む): 609910560

約数和(自身を除く): 319630820

約数列:

[1, 2, 4, 5, 10, 20, 3319, 4373, 6638, 8746, 13276, 16595, 17492, 21865, 33190, 43730, 66380, 87460, 14513987, 29027974, 58055948, 72569935, 145139870, 290279740]

約数ペア:

[(1, 290279740), (2, 145139870), (4, 72569935), (5, 58055948), (10, 29027974), (20, 14513987), (3319, 87460), (4373, 66380), (6638, 43730), (8746, 33190), (13276, 21865), (16595, 17492)]