129490360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 310417920

約数和(自身を除く): 180927560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 680, 764, 955, 997, 1528, 1910, 1994, 3247, 3820, 3988, 4985, 6494, 7640, 7976, 9970, 12988, 16235, 16949, 19940, 25976, 32470, 33898, 39880, 64940, 67796, 84745, 129880, 135592, 169490, 190427, 338980, 380854, 677960, 761708, 952135, 1523416, 1904270, 3237259, 3808540, 6474518, 7617080, 12949036, 16186295, 25898072, 32372590, 64745180, 129490360]

約数ペア:

[(1, 129490360), (2, 64745180), (4, 32372590), (5, 25898072), (8, 16186295), (10, 12949036), (17, 7617080), (20, 6474518), (34, 3808540), (40, 3237259), (68, 1904270), (85, 1523416), (136, 952135), (170, 761708), (191, 677960), (340, 380854), (382, 338980), (680, 190427), (764, 169490), (955, 135592), (997, 129880), (1528, 84745), (1910, 67796), (1994, 64940), (3247, 39880), (3820, 33898), (3988, 32470), (4985, 25976), (6494, 19940), (7640, 16949), (7976, 16235), (9970, 12988)]