209460910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{42487}}^1$

素因数の和:42540

約数の個数: 32

約数和(自身を含む): 412983360

約数和(自身を除く): 203522450

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 42487, 84974, 212435, 424870, 722279, 1232123, 1444558, 2464246, 3611395, 6160615, 7222790, 12321230, 20946091, 41892182, 104730455, 209460910]

約数ペア:

[(1, 209460910), (2, 104730455), (5, 41892182), (10, 20946091), (17, 12321230), (29, 7222790), (34, 6160615), (58, 3611395), (85, 2464246), (145, 1444558), (170, 1232123), (290, 722279), (493, 424870), (986, 212435), (2465, 84974), (4930, 42487)]