209733980

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{5581}}^1$

素因数の和:7469

約数の個数: 24

約数和(自身を含む): 440754720

約数和(自身を除く): 231020740

約数列:

[1, 2, 4, 5, 10, 20, 1879, 3758, 5581, 7516, 9395, 11162, 18790, 22324, 27905, 37580, 55810, 111620, 10486699, 20973398, 41946796, 52433495, 104866990, 209733980]

約数ペア:

[(1, 209733980), (2, 104866990), (4, 52433495), (5, 41946796), (10, 20973398), (20, 10486699), (1879, 111620), (3758, 55810), (5581, 37580), (7516, 27905), (9395, 22324), (11162, 18790)]