231799640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{20477}}^1$

素因数の和:20771

約数の個数: 32

約数和(自身を含む): 523417680

約数和(自身を除く): 291618040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 20477, 40954, 81908, 102385, 163816, 204770, 409540, 819080, 5794991, 11589982, 23179964, 28974955, 46359928, 57949910, 115899820, 231799640]

約数ペア:

[(1, 231799640), (2, 115899820), (4, 57949910), (5, 46359928), (8, 28974955), (10, 23179964), (20, 11589982), (40, 5794991), (283, 819080), (566, 409540), (1132, 204770), (1415, 163816), (2264, 102385), (2830, 81908), (5660, 40954), (11320, 20477)]