28206260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 62832000

約数和(自身を除く): 34625740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 373, 380, 398, 746, 796, 995, 1492, 1865, 1990, 3730, 3781, 3980, 7087, 7460, 7562, 14174, 15124, 18905, 28348, 35435, 37810, 70870, 74227, 75620, 141740, 148454, 296908, 371135, 742270, 1410313, 1484540, 2820626, 5641252, 7051565, 14103130, 28206260]

約数ペア:

[(1, 28206260), (2, 14103130), (4, 7051565), (5, 5641252), (10, 2820626), (19, 1484540), (20, 1410313), (38, 742270), (76, 371135), (95, 296908), (190, 148454), (199, 141740), (373, 75620), (380, 74227), (398, 70870), (746, 37810), (796, 35435), (995, 28348), (1492, 18905), (1865, 15124), (1990, 14174), (3730, 7562), (3781, 7460), (3980, 7087)]