156660310

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 285433632

約数和(自身を除く): 128773322

約数列:

[1, 2, 5, 10, 197, 281, 283, 394, 562, 566, 985, 1405, 1415, 1970, 2810, 2830, 55357, 55751, 79523, 110714, 111502, 159046, 276785, 278755, 397615, 553570, 557510, 795230, 15666031, 31332062, 78330155, 156660310]

約数ペア:

[(1, 156660310), (2, 78330155), (5, 31332062), (10, 15666031), (197, 795230), (281, 557510), (283, 553570), (394, 397615), (562, 278755), (566, 276785), (985, 159046), (1405, 111502), (1415, 110714), (1970, 79523), (2810, 55751), (2830, 55357)]