68429780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 147141120

約数和(自身を除く): 78711340

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 223, 229, 268, 335, 446, 458, 670, 892, 916, 1115, 1145, 1340, 2230, 2290, 4460, 4580, 14941, 15343, 29882, 30686, 51067, 59764, 61372, 74705, 76715, 102134, 149410, 153430, 204268, 255335, 298820, 306860, 510670, 1021340, 3421489, 6842978, 13685956, 17107445, 34214890, 68429780]

約数ペア:

[(1, 68429780), (2, 34214890), (4, 17107445), (5, 13685956), (10, 6842978), (20, 3421489), (67, 1021340), (134, 510670), (223, 306860), (229, 298820), (268, 255335), (335, 204268), (446, 153430), (458, 149410), (670, 102134), (892, 76715), (916, 74705), (1115, 61372), (1145, 59764), (1340, 51067), (2230, 30686), (2290, 29882), (4460, 15343), (4580, 14941)]