128741570

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1907}}^1$

素因数の和:2114

約数の個数: 32

約数和(自身を含む): 238759488

約数和(自身を除く): 110017918

約数列:

[1, 2, 5, 10, 43, 86, 157, 215, 314, 430, 785, 1570, 1907, 3814, 6751, 9535, 13502, 19070, 33755, 67510, 82001, 164002, 299399, 410005, 598798, 820010, 1496995, 2993990, 12874157, 25748314, 64370785, 128741570]

約数ペア:

[(1, 128741570), (2, 64370785), (5, 25748314), (10, 12874157), (43, 2993990), (86, 1496995), (157, 820010), (215, 598798), (314, 410005), (430, 299399), (785, 164002), (1570, 82001), (1907, 67510), (3814, 33755), (6751, 19070), (9535, 13502)]