68858780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 83550820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 1070, 1399, 2140, 2461, 2798, 4922, 5596, 6995, 9844, 12305, 13990, 24610, 27980, 32177, 49220, 64354, 128708, 149693, 160885, 299386, 321770, 598772, 643540, 748465, 1496930, 2993860, 3442939, 6885878, 13771756, 17214695, 34429390, 68858780]

約数ペア:

[(1, 68858780), (2, 34429390), (4, 17214695), (5, 13771756), (10, 6885878), (20, 3442939), (23, 2993860), (46, 1496930), (92, 748465), (107, 643540), (115, 598772), (214, 321770), (230, 299386), (428, 160885), (460, 149693), (535, 128708), (1070, 64354), (1399, 49220), (2140, 32177), (2461, 27980), (2798, 24610), (4922, 13990), (5596, 12305), (6995, 9844)]