200745715

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 54721805

約数列:

[1, 5, 43, 53, 79, 215, 223, 265, 395, 1115, 2279, 3397, 4187, 9589, 11395, 11819, 16985, 17617, 20935, 47945, 59095, 88085, 180041, 508217, 757531, 900205, 933701, 2541085, 3787655, 4668505, 40149143, 200745715]

約数ペア:

[(1, 200745715), (5, 40149143), (43, 4668505), (53, 3787655), (79, 2541085), (215, 933701), (223, 900205), (265, 757531), (395, 508217), (1115, 180041), (2279, 88085), (3397, 59095), (4187, 47945), (9589, 20935), (11395, 17617), (11819, 16985)]