68778770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 135770904

約数和(自身を除く): 66992134

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 421, 527, 842, 961, 1054, 1922, 2105, 2635, 4210, 4805, 5270, 7157, 9610, 13051, 14314, 16337, 26102, 32674, 35785, 65255, 71570, 81685, 130510, 163370, 221867, 404581, 443734, 809162, 1109335, 2022905, 2218670, 4045810, 6877877, 13755754, 34389385, 68778770]

約数ペア:

[(1, 68778770), (2, 34389385), (5, 13755754), (10, 6877877), (17, 4045810), (31, 2218670), (34, 2022905), (62, 1109335), (85, 809162), (155, 443734), (170, 404581), (310, 221867), (421, 163370), (527, 130510), (842, 81685), (961, 71570), (1054, 65255), (1922, 35785), (2105, 32674), (2635, 26102), (4210, 16337), (4805, 14314), (5270, 13051), (7157, 9610)]