209384350

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 470952000

約数和(自身を除く): 261567650

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 343, 350, 406, 421, 490, 686, 725, 842, 1015, 1225, 1421, 1450, 1715, 2030, 2105, 2450, 2842, 2947, 3430, 4210, 5075, 5894, 7105, 8575, 9947, 10150, 10525, 12209, 14210, 14735, 17150, 19894, 20629, 21050, 24418, 29470, 35525, 41258, 49735, 61045, 71050, 73675, 85463, 99470, 103145, 122090, 144403, 147350, 170926, 206290, 248675, 288806, 305225, 427315, 497350, 515725, 598241, 610450, 722015, 854630, 1031450, 1196482, 1444030, 2136575, 2991205, 3610075, 4187687, 4273150, 5982410, 7220150, 8375374, 14956025, 20938435, 29912050, 41876870, 104692175, 209384350]

約数ペア:

[(1, 209384350), (2, 104692175), (5, 41876870), (7, 29912050), (10, 20938435), (14, 14956025), (25, 8375374), (29, 7220150), (35, 5982410), (49, 4273150), (50, 4187687), (58, 3610075), (70, 2991205), (98, 2136575), (145, 1444030), (175, 1196482), (203, 1031450), (245, 854630), (290, 722015), (343, 610450), (350, 598241), (406, 515725), (421, 497350), (490, 427315), (686, 305225), (725, 288806), (842, 248675), (1015, 206290), (1225, 170926), (1421, 147350), (1450, 144403), (1715, 122090), (2030, 103145), (2105, 99470), (2450, 85463), (2842, 73675), (2947, 71050), (3430, 61045), (4210, 49735), (5075, 41258), (5894, 35525), (7105, 29470), (8575, 24418), (9947, 21050), (10150, 20629), (10525, 19894), (12209, 17150), (14210, 14735)]