215964440

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{18427}}^1$

素因数の和:18731

約数の個数: 32

約数和(自身を含む): 487604880

約数和(自身を除く): 271640440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 18427, 36854, 73708, 92135, 147416, 184270, 368540, 737080, 5399111, 10798222, 21596444, 26995555, 43192888, 53991110, 107982220, 215964440]

約数ペア:

[(1, 215964440), (2, 107982220), (4, 53991110), (5, 43192888), (8, 26995555), (10, 21596444), (20, 10798222), (40, 5399111), (293, 737080), (586, 368540), (1172, 184270), (1465, 147416), (2344, 92135), (2930, 73708), (5860, 36854), (11720, 18427)]