71123140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 163558080

約数和(自身を除く): 92434940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 853, 1516, 1706, 1895, 3412, 3790, 4169, 4265, 7580, 8338, 8530, 9383, 16676, 17060, 18766, 20845, 37532, 41690, 46915, 83380, 93830, 187660, 323287, 646574, 1293148, 1616435, 3232870, 3556157, 6465740, 7112314, 14224628, 17780785, 35561570, 71123140]

約数ペア:

[(1, 71123140), (2, 35561570), (4, 17780785), (5, 14224628), (10, 7112314), (11, 6465740), (20, 3556157), (22, 3232870), (44, 1616435), (55, 1293148), (110, 646574), (220, 323287), (379, 187660), (758, 93830), (853, 83380), (1516, 46915), (1706, 41690), (1895, 37532), (3412, 20845), (3790, 18766), (4169, 17060), (4265, 16676), (7580, 9383), (8338, 8530)]