208523970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257437}}^1$

素因数の和:257456

約数の個数: 40

約数和(自身を含む): 560699964

約数和(自身を除く): 352175994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 257437, 514874, 772311, 1287185, 1544622, 2316933, 2574370, 3861555, 4633866, 6950799, 7723110, 11584665, 13901598, 20852397, 23169330, 34753995, 41704794, 69507990, 104261985, 208523970]

約数ペア:

[(1, 208523970), (2, 104261985), (3, 69507990), (5, 41704794), (6, 34753995), (9, 23169330), (10, 20852397), (15, 13901598), (18, 11584665), (27, 7723110), (30, 6950799), (45, 4633866), (54, 3861555), (81, 2574370), (90, 2316933), (135, 1544622), (162, 1287185), (270, 772311), (405, 514874), (810, 257437)]