89116340

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 190877904

約数和(自身を除く): 101761564

約数列:

[1, 2, 4, 5, 10, 20, 101, 157, 202, 281, 314, 404, 505, 562, 628, 785, 1010, 1124, 1405, 1570, 2020, 2810, 3140, 5620, 15857, 28381, 31714, 44117, 56762, 63428, 79285, 88234, 113524, 141905, 158570, 176468, 220585, 283810, 317140, 441170, 567620, 882340, 4455817, 8911634, 17823268, 22279085, 44558170, 89116340]

約数ペア:

[(1, 89116340), (2, 44558170), (4, 22279085), (5, 17823268), (10, 8911634), (20, 4455817), (101, 882340), (157, 567620), (202, 441170), (281, 317140), (314, 283810), (404, 220585), (505, 176468), (562, 158570), (628, 141905), (785, 113524), (1010, 88234), (1124, 79285), (1405, 63428), (1570, 56762), (2020, 44117), (2810, 31714), (3140, 28381), (5620, 15857)]