115420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 252000

約数和(自身を除く): 136580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1990, 3980, 5771, 11542, 23084, 28855, 57710, 115420]

約数ペア:

[(1, 115420), (2, 57710), (4, 28855), (5, 23084), (10, 11542), (20, 5771), (29, 3980), (58, 1990), (116, 995), (145, 796), (199, 580), (290, 398)]