254228740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{669023}}^1$

素因数の和:669051

約数の個数: 24

約数和(自身を含む): 561980160

約数和(自身を除く): 307751420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 669023, 1338046, 2676092, 3345115, 6690230, 12711437, 13380460, 25422874, 50845748, 63557185, 127114370, 254228740]

約数ペア:

[(1, 254228740), (2, 127114370), (4, 63557185), (5, 50845748), (10, 25422874), (19, 13380460), (20, 12711437), (38, 6690230), (76, 3345115), (95, 2676092), (190, 1338046), (380, 669023)]