221450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 425568

約数和(自身を除く): 204118

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 103, 206, 215, 430, 515, 1030, 1075, 2150, 2575, 4429, 5150, 8858, 22145, 44290, 110725, 221450]

約数ペア:

[(1, 221450), (2, 110725), (5, 44290), (10, 22145), (25, 8858), (43, 5150), (50, 4429), (86, 2575), (103, 2150), (206, 1075), (215, 1030), (430, 515)]