87365740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56731}}^1$

素因数の和:56758

約数の個数: 48

約数和(自身を含む): 228743424

約数和(自身を除く): 141377684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56731, 113462, 226924, 283655, 397117, 567310, 624041, 794234, 1134620, 1248082, 1588468, 1985585, 2496164, 3120205, 3971170, 4368287, 6240410, 7942340, 8736574, 12480820, 17473148, 21841435, 43682870, 87365740]

約数ペア:

[(1, 87365740), (2, 43682870), (4, 21841435), (5, 17473148), (7, 12480820), (10, 8736574), (11, 7942340), (14, 6240410), (20, 4368287), (22, 3971170), (28, 3120205), (35, 2496164), (44, 1985585), (55, 1588468), (70, 1248082), (77, 1134620), (110, 794234), (140, 624041), (154, 567310), (220, 397117), (308, 283655), (385, 226924), (770, 113462), (1540, 56731)]