208187525

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 342868680

約数和(自身を除く): 134681155

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 119, 175, 221, 245, 325, 425, 455, 595, 637, 769, 833, 1105, 1225, 1547, 2275, 2975, 3185, 3845, 4165, 5383, 5525, 7735, 9997, 10829, 13073, 15925, 19225, 20825, 26915, 37681, 38675, 49985, 54145, 65365, 69979, 91511, 134575, 169949, 188405, 249925, 270725, 326825, 349895, 457555, 489853, 640577, 849745, 942025, 1189643, 1749475, 2287775, 2449265, 3202885, 4248725, 5948215, 8327501, 12246325, 16014425, 29741075, 41637505, 208187525]

約数ペア:

[(1, 208187525), (5, 41637505), (7, 29741075), (13, 16014425), (17, 12246325), (25, 8327501), (35, 5948215), (49, 4248725), (65, 3202885), (85, 2449265), (91, 2287775), (119, 1749475), (175, 1189643), (221, 942025), (245, 849745), (325, 640577), (425, 489853), (455, 457555), (595, 349895), (637, 326825), (769, 270725), (833, 249925), (1105, 188405), (1225, 169949), (1547, 134575), (2275, 91511), (2975, 69979), (3185, 65365), (3845, 54145), (4165, 49985), (5383, 38675), (5525, 37681), (7735, 26915), (9997, 20825), (10829, 19225), (13073, 15925)]