5498980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 12600000

約数和(自身を除く): 7101020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 499, 551, 580, 998, 1102, 1996, 2204, 2495, 2755, 4990, 5510, 9481, 9980, 11020, 14471, 18962, 28942, 37924, 47405, 57884, 72355, 94810, 144710, 189620, 274949, 289420, 549898, 1099796, 1374745, 2749490, 5498980]

約数ペア:

[(1, 5498980), (2, 2749490), (4, 1374745), (5, 1099796), (10, 549898), (19, 289420), (20, 274949), (29, 189620), (38, 144710), (58, 94810), (76, 72355), (95, 57884), (116, 47405), (145, 37924), (190, 28942), (290, 18962), (380, 14471), (499, 11020), (551, 9980), (580, 9481), (998, 5510), (1102, 4990), (1996, 2755), (2204, 2495)]