123129800

素因数分解:

$2^3\times 5^2\times {\mathrm{761}}^1\times {\mathrm{809}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 287007300

約数和(自身を除く): 163877500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 761, 809, 1522, 1618, 3044, 3236, 3805, 4045, 6088, 6472, 7610, 8090, 15220, 16180, 19025, 20225, 30440, 32360, 38050, 40450, 76100, 80900, 152200, 161800, 615649, 1231298, 2462596, 3078245, 4925192, 6156490, 12312980, 15391225, 24625960, 30782450, 61564900, 123129800]

約数ペア:

[(1, 123129800), (2, 61564900), (4, 30782450), (5, 24625960), (8, 15391225), (10, 12312980), (20, 6156490), (25, 4925192), (40, 3078245), (50, 2462596), (100, 1231298), (200, 615649), (761, 161800), (809, 152200), (1522, 80900), (1618, 76100), (3044, 40450), (3236, 38050), (3805, 32360), (4045, 30440), (6088, 20225), (6472, 19025), (7610, 16180), (8090, 15220)]