149405720

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{4259}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 336625200

約数和(自身を除く): 187219480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 3508, 4259, 4385, 7016, 8518, 8770, 17036, 17540, 21295, 34072, 35080, 42590, 85180, 170360, 3735143, 7470286, 14940572, 18675715, 29881144, 37351430, 74702860, 149405720]

約数ペア:

[(1, 149405720), (2, 74702860), (4, 37351430), (5, 29881144), (8, 18675715), (10, 14940572), (20, 7470286), (40, 3735143), (877, 170360), (1754, 85180), (3508, 42590), (4259, 35080), (4385, 34072), (7016, 21295), (8518, 17540), (8770, 17036)]