54398980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{829}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 121731120

約数和(自身を除く): 67332140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 829, 965, 1658, 1930, 3281, 3316, 3860, 4145, 6562, 8290, 13124, 14093, 16405, 16580, 28186, 32810, 56372, 65620, 70465, 140930, 159997, 281860, 319994, 639988, 799985, 1599970, 2719949, 3199940, 5439898, 10879796, 13599745, 27199490, 54398980]

約数ペア:

[(1, 54398980), (2, 27199490), (4, 13599745), (5, 10879796), (10, 5439898), (17, 3199940), (20, 2719949), (34, 1599970), (68, 799985), (85, 639988), (170, 319994), (193, 281860), (340, 159997), (386, 140930), (772, 70465), (829, 65620), (965, 56372), (1658, 32810), (1930, 28186), (3281, 16580), (3316, 16405), (3860, 14093), (4145, 13124), (6562, 8290)]