172077980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^2\times {\mathrm{811}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 365356152

約数和(自身を除く): 193278172

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 811, 1030, 1622, 2060, 3244, 4055, 8110, 10609, 16220, 21218, 42436, 53045, 83533, 106090, 167066, 212180, 334132, 417665, 835330, 1670660, 8603899, 17207798, 34415596, 43019495, 86038990, 172077980]

約数ペア:

[(1, 172077980), (2, 86038990), (4, 43019495), (5, 34415596), (10, 17207798), (20, 8603899), (103, 1670660), (206, 835330), (412, 417665), (515, 334132), (811, 212180), (1030, 167066), (1622, 106090), (2060, 83533), (3244, 53045), (4055, 42436), (8110, 21218), (10609, 16220)]