28740460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29327}}^1$

素因数の和:29350

約数の個数: 36

約数和(自身を含む): 70211232

約数和(自身を除く): 41470772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29327, 58654, 117308, 146635, 205289, 293270, 410578, 586540, 821156, 1026445, 1437023, 2052890, 2874046, 4105780, 5748092, 7185115, 14370230, 28740460]

約数ペア:

[(1, 28740460), (2, 14370230), (4, 7185115), (5, 5748092), (7, 4105780), (10, 2874046), (14, 2052890), (20, 1437023), (28, 1026445), (35, 821156), (49, 586540), (70, 410578), (98, 293270), (140, 205289), (196, 146635), (245, 117308), (490, 58654), (980, 29327)]