77971400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29989}}^1$

素因数の和:30018

約数の個数: 48

約数和(自身を含む): 195234900

約数和(自身を除く): 117263500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 29989, 59978, 119956, 149945, 239912, 299890, 389857, 599780, 749725, 779714, 1199560, 1499450, 1559428, 1949285, 2998900, 3118856, 3898570, 5997800, 7797140, 9746425, 15594280, 19492850, 38985700, 77971400]

約数ペア:

[(1, 77971400), (2, 38985700), (4, 19492850), (5, 15594280), (8, 9746425), (10, 7797140), (13, 5997800), (20, 3898570), (25, 3118856), (26, 2998900), (40, 1949285), (50, 1559428), (52, 1499450), (65, 1199560), (100, 779714), (104, 749725), (130, 599780), (200, 389857), (260, 299890), (325, 239912), (520, 149945), (650, 119956), (1300, 59978), (2600, 29989)]