204352540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29789}}^1$

素因数の和:29819

約数の個数: 48

約数和(自身を含む): 500472000

約数和(自身を除く): 296119460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29789, 59578, 119156, 148945, 208523, 297890, 417046, 595780, 834092, 1042615, 1459661, 2085230, 2919322, 4170460, 5838644, 7298305, 10217627, 14596610, 20435254, 29193220, 40870508, 51088135, 102176270, 204352540]

約数ペア:

[(1, 204352540), (2, 102176270), (4, 51088135), (5, 40870508), (7, 29193220), (10, 20435254), (14, 14596610), (20, 10217627), (28, 7298305), (35, 5838644), (49, 4170460), (70, 2919322), (98, 2085230), (140, 1459661), (196, 1042615), (245, 834092), (343, 595780), (490, 417046), (686, 297890), (980, 208523), (1372, 148945), (1715, 119156), (3430, 59578), (6860, 29789)]