209957650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:185

約数の個数: 108

約数和(自身を含む): 487872234

約数和(自身を除く): 277914584

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 49, 50, 70, 71, 85, 98, 119, 142, 170, 175, 238, 245, 350, 355, 425, 490, 497, 595, 710, 833, 850, 994, 1190, 1207, 1225, 1666, 1775, 2414, 2450, 2485, 2975, 3479, 3550, 4165, 4970, 5041, 5950, 6035, 6958, 8330, 8449, 10082, 12070, 12425, 16898, 17395, 20825, 24850, 25205, 30175, 34790, 35287, 41650, 42245, 50410, 59143, 60350, 70574, 84490, 85697, 86975, 118286, 126025, 171394, 173950, 176435, 211225, 247009, 252050, 295715, 352870, 422450, 428485, 494018, 591430, 599879, 856970, 882175, 1199758, 1235045, 1478575, 1764350, 2142425, 2470090, 2957150, 2999395, 4199153, 4284850, 5998790, 6175225, 8398306, 12350450, 14996975, 20995765, 29993950, 41991530, 104978825, 209957650]

約数ペア:

[(1, 209957650), (2, 104978825), (5, 41991530), (7, 29993950), (10, 20995765), (14, 14996975), (17, 12350450), (25, 8398306), (34, 6175225), (35, 5998790), (49, 4284850), (50, 4199153), (70, 2999395), (71, 2957150), (85, 2470090), (98, 2142425), (119, 1764350), (142, 1478575), (170, 1235045), (175, 1199758), (238, 882175), (245, 856970), (350, 599879), (355, 591430), (425, 494018), (490, 428485), (497, 422450), (595, 352870), (710, 295715), (833, 252050), (850, 247009), (994, 211225), (1190, 176435), (1207, 173950), (1225, 171394), (1666, 126025), (1775, 118286), (2414, 86975), (2450, 85697), (2485, 84490), (2975, 70574), (3479, 60350), (3550, 59143), (4165, 50410), (4970, 42245), (5041, 41650), (5950, 35287), (6035, 34790), (6958, 30175), (8330, 25205), (8449, 24850), (10082, 20825), (12070, 17395), (12425, 16898)]