4398940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 11374272

約数和(自身を除く): 6975332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2417, 4834, 9668, 12085, 16919, 24170, 31421, 33838, 48340, 62842, 67676, 84595, 125684, 157105, 169190, 219947, 314210, 338380, 439894, 628420, 879788, 1099735, 2199470, 4398940]

約数ペア:

[(1, 4398940), (2, 2199470), (4, 1099735), (5, 879788), (7, 628420), (10, 439894), (13, 338380), (14, 314210), (20, 219947), (26, 169190), (28, 157105), (35, 125684), (52, 84595), (65, 67676), (70, 62842), (91, 48340), (130, 33838), (140, 31421), (182, 24170), (260, 16919), (364, 12085), (455, 9668), (910, 4834), (1820, 2417)]