43538140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 93993984

約数和(自身を除く): 50455844

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 281, 305, 508, 562, 610, 635, 1124, 1220, 1270, 1405, 2540, 2810, 5620, 7747, 15494, 17141, 30988, 34282, 35687, 38735, 68564, 71374, 77470, 85705, 142748, 154940, 171410, 178435, 342820, 356870, 713740, 2176907, 4353814, 8707628, 10884535, 21769070, 43538140]

約数ペア:

[(1, 43538140), (2, 21769070), (4, 10884535), (5, 8707628), (10, 4353814), (20, 2176907), (61, 713740), (122, 356870), (127, 342820), (244, 178435), (254, 171410), (281, 154940), (305, 142748), (508, 85705), (562, 77470), (610, 71374), (635, 68564), (1124, 38735), (1220, 35687), (1270, 34282), (1405, 30988), (2540, 17141), (2810, 15494), (5620, 7747)]