68937880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156677}}^1$

素因数の和:156699

約数の個数: 32

約数和(自身を含む): 169212240

約数和(自身を除く): 100274360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 156677, 313354, 626708, 783385, 1253416, 1566770, 1723447, 3133540, 3446894, 6267080, 6893788, 8617235, 13787576, 17234470, 34468940, 68937880]

約数ペア:

[(1, 68937880), (2, 34468940), (4, 17234470), (5, 13787576), (8, 8617235), (10, 6893788), (11, 6267080), (20, 3446894), (22, 3133540), (40, 1723447), (44, 1566770), (55, 1253416), (88, 783385), (110, 626708), (220, 313354), (440, 156677)]