210002012620

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1051}}^1\times {\mathrm{37987}}^1$

素因数の和:39310

約数の個数: 48

約数和(自身を含む): 443113913088

約数和(自身を除く): 233111900468

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1051, 1052, 1315, 2102, 2630, 4204, 5255, 5260, 10510, 21020, 37987, 75974, 151948, 189935, 276413, 379870, 552826, 759740, 1105652, 1382065, 2764130, 5528260, 9990581, 19981162, 39924337, 39962324, 49952905, 79848674, 99905810, 159697348, 199621685, 199811620, 399243370, 798486740, 10500100631, 21000201262, 42000402524, 52500503155, 105001006310, 210002012620]

約数ペア:

[(1, 210002012620), (2, 105001006310), (4, 52500503155), (5, 42000402524), (10, 21000201262), (20, 10500100631), (263, 798486740), (526, 399243370), (1051, 199811620), (1052, 199621685), (1315, 159697348), (2102, 99905810), (2630, 79848674), (4204, 49952905), (5255, 39962324), (5260, 39924337), (10510, 19981162), (21020, 9990581), (37987, 5528260), (75974, 2764130), (151948, 1382065), (189935, 1105652), (276413, 759740), (379870, 552826)]