285051320

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{10313}}^1$

素因数の和:11015

約数の個数: 32

約数和(自身を含む): 642355920

約数和(自身を除く): 357304600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 10313, 13820, 20626, 27640, 41252, 51565, 82504, 103130, 206260, 412520, 7126283, 14252566, 28505132, 35631415, 57010264, 71262830, 142525660, 285051320]

約数ペア:

[(1, 285051320), (2, 142525660), (4, 71262830), (5, 57010264), (8, 35631415), (10, 28505132), (20, 14252566), (40, 7126283), (691, 412520), (1382, 206260), (2764, 103130), (3455, 82504), (5528, 51565), (6910, 41252), (10313, 27640), (13820, 20626)]