86561860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56209}}^1$

素因数の和:56236

約数の個数: 48

約数和(自身を含む): 226638720

約数和(自身を除く): 140076860

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, 56209, 112418, 224836, 281045, 393463, 562090, 618299, 786926, 1124180, 1236598, 1573852, 1967315, 2473196, 3091495, 3934630, 4328093, 6182990, 7869260, 8656186, 12365980, 17312372, 21640465, 43280930, 86561860]

約数ペア:

[(1, 86561860), (2, 43280930), (4, 21640465), (5, 17312372), (7, 12365980), (10, 8656186), (11, 7869260), (14, 6182990), (20, 4328093), (22, 3934630), (28, 3091495), (35, 2473196), (44, 1967315), (55, 1573852), (70, 1236598), (77, 1124180), (110, 786926), (140, 618299), (154, 562090), (220, 393463), (308, 281045), (385, 224836), (770, 112418), (1540, 56209)]