780017810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{41959}}^1$

素因数の和:42003

約数の個数: 48

約数和(自身を含む): 1658594880

約数和(自身を除く): 878577070

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1690, 1859, 3718, 9295, 18590, 41959, 83918, 209795, 419590, 461549, 545467, 923098, 1090934, 2307745, 2727335, 4615490, 5454670, 6000137, 7091071, 12000274, 14182142, 30000685, 35455355, 60001370, 70910710, 78001781, 156003562, 390008905, 780017810]

約数ペア:

[(1, 780017810), (2, 390008905), (5, 156003562), (10, 78001781), (11, 70910710), (13, 60001370), (22, 35455355), (26, 30000685), (55, 14182142), (65, 12000274), (110, 7091071), (130, 6000137), (143, 5454670), (169, 4615490), (286, 2727335), (338, 2307745), (715, 1090934), (845, 923098), (1430, 545467), (1690, 461549), (1859, 419590), (3718, 209795), (9295, 83918), (18590, 41959)]