7751050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 15624000

約数和(自身を除く): 7872950

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 199, 205, 398, 410, 475, 779, 950, 995, 1025, 1558, 1990, 2050, 3781, 3895, 4975, 7562, 7790, 8159, 9950, 16318, 18905, 19475, 37810, 38950, 40795, 81590, 94525, 155021, 189050, 203975, 310042, 407950, 775105, 1550210, 3875525, 7751050]

約数ペア:

[(1, 7751050), (2, 3875525), (5, 1550210), (10, 775105), (19, 407950), (25, 310042), (38, 203975), (41, 189050), (50, 155021), (82, 94525), (95, 81590), (190, 40795), (199, 38950), (205, 37810), (398, 19475), (410, 18905), (475, 16318), (779, 9950), (950, 8159), (995, 7790), (1025, 7562), (1558, 4975), (1990, 3895), (2050, 3781)]