425427880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{343087}}^1$

素因数の和:343129

約数の個数: 32

約数和(自身を含む): 988093440

約数和(自身を除く): 562665560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 343087, 686174, 1372348, 1715435, 2744696, 3430870, 6861740, 10635697, 13723480, 21271394, 42542788, 53178485, 85085576, 106356970, 212713940, 425427880]

約数ペア:

[(1, 425427880), (2, 212713940), (4, 106356970), (5, 85085576), (8, 53178485), (10, 42542788), (20, 21271394), (31, 13723480), (40, 10635697), (62, 6861740), (124, 3430870), (155, 2744696), (248, 1715435), (310, 1372348), (620, 686174), (1240, 343087)]