152981570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{30781}}^1$

素因数の和:30866

約数の個数: 32

約数和(自身を含む): 319147776

約数和(自身を除く): 166166206

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 30781, 61562, 153905, 215467, 307810, 430934, 1077335, 2154670, 2185451, 4370902, 10927255, 15298157, 21854510, 30596314, 76490785, 152981570]

約数ペア:

[(1, 152981570), (2, 76490785), (5, 30596314), (7, 21854510), (10, 15298157), (14, 10927255), (35, 4370902), (70, 2185451), (71, 2154670), (142, 1077335), (355, 430934), (497, 307810), (710, 215467), (994, 153905), (2485, 61562), (4970, 30781)]