201990844825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{443}}^1$

素因数の和:896

約数の個数: 144

約数和(自身を含む): 321426177408

約数和(自身を除く): 119435332583

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 121, 175, 275, 305, 353, 385, 427, 443, 605, 671, 847, 1525, 1765, 1925, 2135, 2215, 2471, 3025, 3101, 3355, 3883, 4235, 4697, 4873, 7381, 8825, 10675, 11075, 12355, 15505, 16775, 19415, 21175, 21533, 23485, 24365, 27023, 27181, 34111, 36905, 42713, 51667, 53603, 61775, 77525, 97075, 107665, 117425, 121825, 135115, 135905, 150731, 156379, 170555, 184525, 189161, 213565, 236863, 258335, 268015, 297253, 298991, 375221, 538325, 675575, 679525, 753655, 781895, 852775, 945805, 1067825, 1094653, 1184315, 1291675, 1340075, 1486265, 1494955, 1658041, 1720169, 1876105, 2080771, 2605493, 3269783, 3768275, 3909475, 4729025, 5473265, 5921575, 7431325, 7474775, 8290205, 8600845, 9380525, 9539119, 10403855, 12041183, 13027465, 16348915, 18238451, 18921859, 22888481, 27366325, 41451025, 43004225, 47695595, 52019275, 60205915, 65137325, 66773833, 81744575, 91192255, 94609295, 104930309, 114442405, 132453013, 238477975, 301029575, 333869165, 455961275, 473046475, 524651545, 572212025, 662265065, 734512163, 1154233399, 1669345825, 2623257725, 3311325325, 3672560815, 5771166995, 8079633793, 18362804075, 28855834975, 40398168965, 201990844825]

約数ペア:

[(1, 201990844825), (5, 40398168965), (7, 28855834975), (11, 18362804075), (25, 8079633793), (35, 5771166995), (55, 3672560815), (61, 3311325325), (77, 2623257725), (121, 1669345825), (175, 1154233399), (275, 734512163), (305, 662265065), (353, 572212025), (385, 524651545), (427, 473046475), (443, 455961275), (605, 333869165), (671, 301029575), (847, 238477975), (1525, 132453013), (1765, 114442405), (1925, 104930309), (2135, 94609295), (2215, 91192255), (2471, 81744575), (3025, 66773833), (3101, 65137325), (3355, 60205915), (3883, 52019275), (4235, 47695595), (4697, 43004225), (4873, 41451025), (7381, 27366325), (8825, 22888481), (10675, 18921859), (11075, 18238451), (12355, 16348915), (15505, 13027465), (16775, 12041183), (19415, 10403855), (21175, 9539119), (21533, 9380525), (23485, 8600845), (24365, 8290205), (27023, 7474775), (27181, 7431325), (34111, 5921575), (36905, 5473265), (42713, 4729025), (51667, 3909475), (53603, 3768275), (61775, 3269783), (77525, 2605493), (97075, 2080771), (107665, 1876105), (117425, 1720169), (121825, 1658041), (135115, 1494955), (135905, 1486265), (150731, 1340075), (156379, 1291675), (170555, 1184315), (184525, 1094653), (189161, 1067825), (213565, 945805), (236863, 852775), (258335, 781895), (268015, 753655), (297253, 679525), (298991, 675575), (375221, 538325)]