2708240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 6379800

約数和(自身を除く): 3671560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 349, 388, 485, 698, 776, 970, 1396, 1552, 1745, 1940, 2792, 3490, 3880, 5584, 6980, 7760, 13960, 27920, 33853, 67706, 135412, 169265, 270824, 338530, 541648, 677060, 1354120, 2708240]

約数ペア:

[(1, 2708240), (2, 1354120), (4, 677060), (5, 541648), (8, 338530), (10, 270824), (16, 169265), (20, 135412), (40, 67706), (80, 33853), (97, 27920), (194, 13960), (349, 7760), (388, 6980), (485, 5584), (698, 3880), (776, 3490), (970, 2792), (1396, 1940), (1552, 1745)]