8896780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 20030976

約数和(自身を除く): 11134196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 191, 274, 340, 382, 548, 685, 764, 955, 1370, 1910, 2329, 2740, 3247, 3820, 4658, 6494, 9316, 11645, 12988, 16235, 23290, 26167, 32470, 46580, 52334, 64940, 104668, 130835, 261670, 444839, 523340, 889678, 1779356, 2224195, 4448390, 8896780]

約数ペア:

[(1, 8896780), (2, 4448390), (4, 2224195), (5, 1779356), (10, 889678), (17, 523340), (20, 444839), (34, 261670), (68, 130835), (85, 104668), (137, 64940), (170, 52334), (191, 46580), (274, 32470), (340, 26167), (382, 23290), (548, 16235), (685, 12988), (764, 11645), (955, 9316), (1370, 6494), (1910, 4658), (2329, 3820), (2740, 3247)]