258431350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1367}}^1$

素因数の和:1597

約数の個数: 48

約数和(自身を含む): 508896000

約数和(自身を除く): 250464650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 398, 475, 950, 995, 1367, 1990, 2734, 3781, 4975, 6835, 7562, 9950, 13670, 18905, 25973, 34175, 37810, 51946, 68350, 94525, 129865, 189050, 259730, 272033, 544066, 649325, 1298650, 1360165, 2720330, 5168627, 6800825, 10337254, 13601650, 25843135, 51686270, 129215675, 258431350]

約数ペア:

[(1, 258431350), (2, 129215675), (5, 51686270), (10, 25843135), (19, 13601650), (25, 10337254), (38, 6800825), (50, 5168627), (95, 2720330), (190, 1360165), (199, 1298650), (398, 649325), (475, 544066), (950, 272033), (995, 259730), (1367, 189050), (1990, 129865), (2734, 94525), (3781, 68350), (4975, 51946), (6835, 37810), (7562, 34175), (9950, 25973), (13670, 18905)]