66660860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2417}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 160864704

約数和(自身を除く): 94203844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2417, 2758, 3940, 4834, 5516, 6895, 9668, 12085, 13790, 16919, 24170, 27580, 33838, 48340, 67676, 84595, 169190, 338380, 476149, 952298, 1904596, 2380745, 3333043, 4761490, 6666086, 9522980, 13332172, 16665215, 33330430, 66660860]

約数ペア:

[(1, 66660860), (2, 33330430), (4, 16665215), (5, 13332172), (7, 9522980), (10, 6666086), (14, 4761490), (20, 3333043), (28, 2380745), (35, 1904596), (70, 952298), (140, 476149), (197, 338380), (394, 169190), (788, 84595), (985, 67676), (1379, 48340), (1970, 33838), (2417, 27580), (2758, 24170), (3940, 16919), (4834, 13790), (5516, 12085), (6895, 9668)]