68916820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2333}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 166255488

約数和(自身を除く): 97338668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2333, 2954, 4220, 4666, 5908, 7385, 9332, 11665, 14770, 16331, 23330, 29540, 32662, 46660, 65324, 81655, 163310, 326620, 492263, 984526, 1969052, 2461315, 3445841, 4922630, 6891682, 9845260, 13783364, 17229205, 34458410, 68916820]

約数ペア:

[(1, 68916820), (2, 34458410), (4, 17229205), (5, 13783364), (7, 9845260), (10, 6891682), (14, 4922630), (20, 3445841), (28, 2461315), (35, 1969052), (70, 984526), (140, 492263), (211, 326620), (422, 163310), (844, 81655), (1055, 65324), (1477, 46660), (2110, 32662), (2333, 29540), (2954, 23330), (4220, 16331), (4666, 14770), (5908, 11665), (7385, 9332)]