230220140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{82813}}^1$

素因数の和:82961

約数の個数: 24

約数和(自身を含む): 486946320

約数和(自身を除く): 256726180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 82813, 165626, 331252, 414065, 828130, 1656260, 11511007, 23022014, 46044028, 57555035, 115110070, 230220140]

約数ペア:

[(1, 230220140), (2, 115110070), (4, 57555035), (5, 46044028), (10, 23022014), (20, 11511007), (139, 1656260), (278, 828130), (556, 414065), (695, 331252), (1390, 165626), (2780, 82813)]