291640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 686880

約数和(自身を除く): 395240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 317, 460, 634, 920, 1268, 1585, 2536, 3170, 6340, 7291, 12680, 14582, 29164, 36455, 58328, 72910, 145820, 291640]

約数ペア:

[(1, 291640), (2, 145820), (4, 72910), (5, 58328), (8, 36455), (10, 29164), (20, 14582), (23, 12680), (40, 7291), (46, 6340), (92, 3170), (115, 2536), (184, 1585), (230, 1268), (317, 920), (460, 634)]