253387010

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 461547072

約数和(自身を除く): 208160062

約数列:

[1, 2, 5, 10, 157, 251, 314, 502, 643, 785, 1255, 1286, 1570, 2510, 3215, 6430, 39407, 78814, 100951, 161393, 197035, 201902, 322786, 394070, 504755, 806965, 1009510, 1613930, 25338701, 50677402, 126693505, 253387010]

約数ペア:

[(1, 253387010), (2, 126693505), (5, 50677402), (10, 25338701), (157, 1613930), (251, 1009510), (314, 806965), (502, 504755), (643, 394070), (785, 322786), (1255, 201902), (1286, 197035), (1570, 161393), (2510, 100951), (3215, 78814), (6430, 39407)]