221420050

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{31859}}^1$

素因数の和:32010

約数の個数: 24

約数和(自身を含む): 414817200

約数和(自身を除く): 193397150

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 31859, 63718, 159295, 318590, 796475, 1592950, 4428401, 8856802, 22142005, 44284010, 110710025, 221420050]

約数ペア:

[(1, 221420050), (2, 110710025), (5, 44284010), (10, 22142005), (25, 8856802), (50, 4428401), (139, 1592950), (278, 796475), (695, 318590), (1390, 159295), (3475, 63718), (6950, 31859)]