23711860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 51282000

約数和(自身を除く): 27570140

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 149, 218, 292, 298, 365, 436, 545, 596, 730, 745, 1090, 1460, 1490, 2180, 2980, 7957, 10877, 15914, 16241, 21754, 31828, 32482, 39785, 43508, 54385, 64964, 79570, 81205, 108770, 159140, 162410, 217540, 324820, 1185593, 2371186, 4742372, 5927965, 11855930, 23711860]

約数ペア:

[(1, 23711860), (2, 11855930), (4, 5927965), (5, 4742372), (10, 2371186), (20, 1185593), (73, 324820), (109, 217540), (146, 162410), (149, 159140), (218, 108770), (292, 81205), (298, 79570), (365, 64964), (436, 54385), (545, 43508), (596, 39785), (730, 32482), (745, 31828), (1090, 21754), (1460, 16241), (1490, 15914), (2180, 10877), (2980, 7957)]