79211950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 156240000

約数和(自身を除く): 77028050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 398, 419, 475, 838, 950, 995, 1990, 2095, 3781, 4190, 4975, 7562, 7961, 9950, 10475, 15922, 18905, 20950, 37810, 39805, 79610, 83381, 94525, 166762, 189050, 199025, 398050, 416905, 833810, 1584239, 2084525, 3168478, 4169050, 7921195, 15842390, 39605975, 79211950]

約数ペア:

[(1, 79211950), (2, 39605975), (5, 15842390), (10, 7921195), (19, 4169050), (25, 3168478), (38, 2084525), (50, 1584239), (95, 833810), (190, 416905), (199, 398050), (398, 199025), (419, 189050), (475, 166762), (838, 94525), (950, 83381), (995, 79610), (1990, 39805), (2095, 37810), (3781, 20950), (4190, 18905), (4975, 15922), (7562, 10475), (7961, 9950)]