785472980

素因数分解:

$2^2\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{13219}}^1$

素因数の和:16199

約数の個数: 24

約数和(自身を含む): 1650173280

約数和(自身を除く): 864700300

約数列:

[1, 2, 4, 5, 10, 20, 2971, 5942, 11884, 13219, 14855, 26438, 29710, 52876, 59420, 66095, 132190, 264380, 39273649, 78547298, 157094596, 196368245, 392736490, 785472980]

約数ペア:

[(1, 785472980), (2, 392736490), (4, 196368245), (5, 157094596), (10, 78547298), (20, 39273649), (2971, 264380), (5942, 132190), (11884, 66095), (13219, 59420), (14855, 52876), (26438, 29710)]