9570820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 23184000

約数和(自身を除く): 13613180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 499, 548, 685, 959, 998, 1370, 1918, 1996, 2495, 2740, 3493, 3836, 4795, 4990, 6986, 9590, 9980, 13972, 17465, 19180, 34930, 68363, 69860, 136726, 273452, 341815, 478541, 683630, 957082, 1367260, 1914164, 2392705, 4785410, 9570820]

約数ペア:

[(1, 9570820), (2, 4785410), (4, 2392705), (5, 1914164), (7, 1367260), (10, 957082), (14, 683630), (20, 478541), (28, 341815), (35, 273452), (70, 136726), (137, 69860), (140, 68363), (274, 34930), (499, 19180), (548, 17465), (685, 13972), (959, 9980), (998, 9590), (1370, 6986), (1918, 4990), (1996, 4795), (2495, 3836), (2740, 3493)]