2918500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 6879600

約数和(自身を除く): 3961100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 449, 500, 650, 898, 1300, 1625, 1796, 2245, 3250, 4490, 5837, 6500, 8980, 11225, 11674, 22450, 23348, 29185, 44900, 56125, 58370, 112250, 116740, 145925, 224500, 291850, 583700, 729625, 1459250, 2918500]

約数ペア:

[(1, 2918500), (2, 1459250), (4, 729625), (5, 583700), (10, 291850), (13, 224500), (20, 145925), (25, 116740), (26, 112250), (50, 58370), (52, 56125), (65, 44900), (100, 29185), (125, 23348), (130, 22450), (250, 11674), (260, 11225), (325, 8980), (449, 6500), (500, 5837), (650, 4490), (898, 3250), (1300, 2245), (1625, 1796)]