17472980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 24814636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 911, 959, 1370, 1822, 1918, 2740, 3644, 3836, 4555, 4795, 6377, 9110, 9590, 12754, 18220, 19180, 25508, 31885, 63770, 124807, 127540, 249614, 499228, 624035, 873649, 1248070, 1747298, 2496140, 3494596, 4368245, 8736490, 17472980]

約数ペア:

[(1, 17472980), (2, 8736490), (4, 4368245), (5, 3494596), (7, 2496140), (10, 1747298), (14, 1248070), (20, 873649), (28, 624035), (35, 499228), (70, 249614), (137, 127540), (140, 124807), (274, 63770), (548, 31885), (685, 25508), (911, 19180), (959, 18220), (1370, 12754), (1822, 9590), (1918, 9110), (2740, 6377), (3644, 4795), (3836, 4555)]