208215495425

素因数分解:

$5^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{313}}^1\times {\mathrm{2113}}^1$

素因数の和:2707

約数の個数: 72

約数和(自身を含む): 302615303256

約数和(自身を除く): 94399807831

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 257, 313, 1225, 1285, 1565, 1799, 2113, 2191, 6425, 7825, 8995, 10565, 10955, 12593, 14791, 15337, 44975, 52825, 54775, 62965, 73955, 76685, 80441, 103537, 314825, 369775, 383425, 402205, 517685, 543041, 563087, 661369, 2011025, 2588425, 2715205, 2815435, 3306845, 3801287, 3941609, 4629583, 13576025, 14077175, 16534225, 19006435, 19708045, 23147915, 26609009, 32407081, 95032175, 98540225, 115739575, 133045045, 162035405, 169971833, 665225225, 810177025, 849859165, 1189802831, 4249295825, 5949014155, 8328619817, 29745070775, 41643099085, 208215495425]

約数ペア:

[(1, 208215495425), (5, 41643099085), (7, 29745070775), (25, 8328619817), (35, 5949014155), (49, 4249295825), (175, 1189802831), (245, 849859165), (257, 810177025), (313, 665225225), (1225, 169971833), (1285, 162035405), (1565, 133045045), (1799, 115739575), (2113, 98540225), (2191, 95032175), (6425, 32407081), (7825, 26609009), (8995, 23147915), (10565, 19708045), (10955, 19006435), (12593, 16534225), (14791, 14077175), (15337, 13576025), (44975, 4629583), (52825, 3941609), (54775, 3801287), (62965, 3306845), (73955, 2815435), (76685, 2715205), (80441, 2588425), (103537, 2011025), (314825, 661369), (369775, 563087), (383425, 543041), (402205, 517685)]