864921160

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{145121}}^1$

素因数の和:145281

約数の個数: 32

約数和(自身を含む): 1959147000

約数和(自身を除く): 1094225840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 145121, 290242, 580484, 725605, 1160968, 1451210, 2902420, 5804840, 21623029, 43246058, 86492116, 108115145, 172984232, 216230290, 432460580, 864921160]

約数ペア:

[(1, 864921160), (2, 432460580), (4, 216230290), (5, 172984232), (8, 108115145), (10, 86492116), (20, 43246058), (40, 21623029), (149, 5804840), (298, 2902420), (596, 1451210), (745, 1160968), (1192, 725605), (1490, 580484), (2980, 290242), (5960, 145121)]