1287029590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{238781}}^1$

素因数の和:238813

約数の個数: 48

約数和(自身を含む): 2939883984

約数和(自身を除く): 1652854394

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 238781, 477562, 1193905, 1671467, 2387810, 2626591, 3342934, 5253182, 8357335, 11700269, 13132955, 16714670, 18386137, 23400538, 26265910, 36772274, 58501345, 91930685, 117002690, 128702959, 183861370, 257405918, 643514795, 1287029590]

約数ペア:

[(1, 1287029590), (2, 643514795), (5, 257405918), (7, 183861370), (10, 128702959), (11, 117002690), (14, 91930685), (22, 58501345), (35, 36772274), (49, 26265910), (55, 23400538), (70, 18386137), (77, 16714670), (98, 13132955), (110, 11700269), (154, 8357335), (245, 5253182), (385, 3342934), (490, 2626591), (539, 2387810), (770, 1671467), (1078, 1193905), (2695, 477562), (5390, 238781)]