4159180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 9253440

約数和(自身を除く): 5094260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 101, 116, 142, 145, 202, 284, 290, 355, 404, 505, 580, 710, 1010, 1420, 2020, 2059, 2929, 4118, 5858, 7171, 8236, 10295, 11716, 14342, 14645, 20590, 28684, 29290, 35855, 41180, 58580, 71710, 143420, 207959, 415918, 831836, 1039795, 2079590, 4159180]

約数ペア:

[(1, 4159180), (2, 2079590), (4, 1039795), (5, 831836), (10, 415918), (20, 207959), (29, 143420), (58, 71710), (71, 58580), (101, 41180), (116, 35855), (142, 29290), (145, 28684), (202, 20590), (284, 14645), (290, 14342), (355, 11716), (404, 10295), (505, 8236), (580, 7171), (710, 5858), (1010, 4118), (1420, 2929), (2020, 2059)]