157220270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 290718720

約数和(自身を除く): 133498450

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 2803, 5606, 5609, 11218, 14015, 28030, 28045, 56090, 199013, 221437, 398026, 442874, 995065, 1107185, 1990130, 2214370, 15722027, 31444054, 78610135, 157220270]

約数ペア:

[(1, 157220270), (2, 78610135), (5, 31444054), (10, 15722027), (71, 2214370), (79, 1990130), (142, 1107185), (158, 995065), (355, 442874), (395, 398026), (710, 221437), (790, 199013), (2803, 56090), (5606, 28045), (5609, 28030), (11218, 14015)]