68964380

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{4919}}^1$

素因数の和:5629

約数の個数: 24

約数和(自身を含む): 145061280

約数和(自身を除く): 76096900

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 4919, 7010, 9838, 14020, 19676, 24595, 49190, 98380, 3448219, 6896438, 13792876, 17241095, 34482190, 68964380]

約数ペア:

[(1, 68964380), (2, 34482190), (4, 17241095), (5, 13792876), (10, 6896438), (20, 3448219), (701, 98380), (1402, 49190), (2804, 24595), (3505, 19676), (4919, 14020), (7010, 9838)]