8842540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1289}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 21672000

約数和(自身を除く): 12829460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1289, 1372, 1715, 2578, 3430, 5156, 6445, 6860, 9023, 12890, 18046, 25780, 36092, 45115, 63161, 90230, 126322, 180460, 252644, 315805, 442127, 631610, 884254, 1263220, 1768508, 2210635, 4421270, 8842540]

約数ペア:

[(1, 8842540), (2, 4421270), (4, 2210635), (5, 1768508), (7, 1263220), (10, 884254), (14, 631610), (20, 442127), (28, 315805), (35, 252644), (49, 180460), (70, 126322), (98, 90230), (140, 63161), (196, 45115), (245, 36092), (343, 25780), (490, 18046), (686, 12890), (980, 9023), (1289, 6860), (1372, 6445), (1715, 5156), (2578, 3430)]