217150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 24

約数和(自身を含む): 417384

約数和(自身を除く): 200234

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 101, 202, 215, 430, 505, 1010, 1075, 2150, 2525, 4343, 5050, 8686, 21715, 43430, 108575, 217150]

約数ペア:

[(1, 217150), (2, 108575), (5, 43430), (10, 21715), (25, 8686), (43, 5050), (50, 4343), (86, 2525), (101, 2150), (202, 1075), (215, 1010), (430, 505)]