721837870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{5851}}^1$

素因数の和:5957

約数の個数: 48

約数和(自身を含む): 1426460112

約数和(自身を除く): 704622242

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 169, 338, 365, 730, 845, 949, 1690, 1898, 4745, 5851, 9490, 11702, 12337, 24674, 29255, 58510, 61685, 76063, 123370, 152126, 380315, 427123, 760630, 854246, 988819, 1977638, 2135615, 4271230, 4944095, 5552599, 9888190, 11105198, 27762995, 55525990, 72183787, 144367574, 360918935, 721837870]

約数ペア:

[(1, 721837870), (2, 360918935), (5, 144367574), (10, 72183787), (13, 55525990), (26, 27762995), (65, 11105198), (73, 9888190), (130, 5552599), (146, 4944095), (169, 4271230), (338, 2135615), (365, 1977638), (730, 988819), (845, 854246), (949, 760630), (1690, 427123), (1898, 380315), (4745, 152126), (5851, 123370), (9490, 76063), (11702, 61685), (12337, 58510), (24674, 29255)]