12984860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 31437504

約数和(自身を除く): 18452644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 677, 685, 959, 1354, 1370, 1918, 2708, 2740, 3385, 3836, 4739, 4795, 6770, 9478, 9590, 13540, 18956, 19180, 23695, 47390, 92749, 94780, 185498, 370996, 463745, 649243, 927490, 1298486, 1854980, 2596972, 3246215, 6492430, 12984860]

約数ペア:

[(1, 12984860), (2, 6492430), (4, 3246215), (5, 2596972), (7, 1854980), (10, 1298486), (14, 927490), (20, 649243), (28, 463745), (35, 370996), (70, 185498), (137, 94780), (140, 92749), (274, 47390), (548, 23695), (677, 19180), (685, 18956), (959, 13540), (1354, 9590), (1370, 9478), (1918, 6770), (2708, 4795), (2740, 4739), (3385, 3836)]