148049240

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{9323}}^1$

素因数の和:9731

約数の個数: 32

約数和(自身を含む): 333985680

約数和(自身を除く): 185936440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 9323, 15880, 18646, 37292, 46615, 74584, 93230, 186460, 372920, 3701231, 7402462, 14804924, 18506155, 29609848, 37012310, 74024620, 148049240]

約数ペア:

[(1, 148049240), (2, 74024620), (4, 37012310), (5, 29609848), (8, 18506155), (10, 14804924), (20, 7402462), (40, 3701231), (397, 372920), (794, 186460), (1588, 93230), (1985, 74584), (3176, 46615), (3970, 37292), (7940, 18646), (9323, 15880)]