71915020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1231}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 158957568

約数和(自身を除く): 87042548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 635, 1231, 1270, 2462, 2540, 2921, 4924, 5842, 6155, 11684, 12310, 14605, 24620, 28313, 29210, 56626, 58420, 113252, 141565, 156337, 283130, 312674, 566260, 625348, 781685, 1563370, 3126740, 3595751, 7191502, 14383004, 17978755, 35957510, 71915020]

約数ペア:

[(1, 71915020), (2, 35957510), (4, 17978755), (5, 14383004), (10, 7191502), (20, 3595751), (23, 3126740), (46, 1563370), (92, 781685), (115, 625348), (127, 566260), (230, 312674), (254, 283130), (460, 156337), (508, 141565), (635, 113252), (1231, 58420), (1270, 56626), (2462, 29210), (2540, 28313), (2921, 24620), (4924, 14605), (5842, 12310), (6155, 11684)]