9705740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 22456224

約数和(自身を除く): 12750484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 281, 314, 562, 628, 785, 1124, 1405, 1570, 1727, 2810, 3091, 3140, 3454, 5620, 6182, 6908, 8635, 12364, 15455, 17270, 30910, 34540, 44117, 61820, 88234, 176468, 220585, 441170, 485287, 882340, 970574, 1941148, 2426435, 4852870, 9705740]

約数ペア:

[(1, 9705740), (2, 4852870), (4, 2426435), (5, 1941148), (10, 970574), (11, 882340), (20, 485287), (22, 441170), (44, 220585), (55, 176468), (110, 88234), (157, 61820), (220, 44117), (281, 34540), (314, 30910), (562, 17270), (628, 15455), (785, 12364), (1124, 8635), (1405, 6908), (1570, 6182), (1727, 5620), (2810, 3454), (3091, 3140)]