7226380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 17611776

約数和(自身を除く): 10385396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 727, 994, 1420, 1454, 1988, 2485, 2908, 3635, 4970, 5089, 7270, 9940, 10178, 14540, 20356, 25445, 50890, 51617, 101780, 103234, 206468, 258085, 361319, 516170, 722638, 1032340, 1445276, 1806595, 3613190, 7226380]

約数ペア:

[(1, 7226380), (2, 3613190), (4, 1806595), (5, 1445276), (7, 1032340), (10, 722638), (14, 516170), (20, 361319), (28, 258085), (35, 206468), (70, 103234), (71, 101780), (140, 51617), (142, 50890), (284, 25445), (355, 20356), (497, 14540), (710, 10178), (727, 9940), (994, 7270), (1420, 5089), (1454, 4970), (1988, 3635), (2485, 2908)]