220000144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 539161920

約数和(自身を除く): 319161776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 59, 91, 104, 112, 118, 169, 182, 197, 208, 236, 338, 364, 394, 413, 472, 676, 728, 767, 788, 826, 944, 1183, 1352, 1379, 1456, 1534, 1576, 1652, 2366, 2561, 2704, 2758, 3068, 3152, 3304, 4732, 5122, 5369, 5516, 6136, 6608, 9464, 9971, 10244, 10738, 11032, 11623, 12272, 17927, 18928, 19942, 20488, 21476, 22064, 23246, 33293, 35854, 39884, 40976, 42952, 46492, 66586, 69797, 71708, 79768, 81361, 85904, 92984, 133172, 139594, 143416, 151099, 159536, 162722, 185968, 233051, 266344, 279188, 286832, 302198, 325444, 466102, 532688, 558376, 604396, 650888, 932204, 1057693, 1116752, 1208792, 1301776, 1864408, 1964287, 2115386, 2417584, 3728816, 3928574, 4230772, 7857148, 8461544, 13750009, 15714296, 16923088, 27500018, 31428592, 55000036, 110000072, 220000144]

約数ペア:

[(1, 220000144), (2, 110000072), (4, 55000036), (7, 31428592), (8, 27500018), (13, 16923088), (14, 15714296), (16, 13750009), (26, 8461544), (28, 7857148), (52, 4230772), (56, 3928574), (59, 3728816), (91, 2417584), (104, 2115386), (112, 1964287), (118, 1864408), (169, 1301776), (182, 1208792), (197, 1116752), (208, 1057693), (236, 932204), (338, 650888), (364, 604396), (394, 558376), (413, 532688), (472, 466102), (676, 325444), (728, 302198), (767, 286832), (788, 279188), (826, 266344), (944, 233051), (1183, 185968), (1352, 162722), (1379, 159536), (1456, 151099), (1534, 143416), (1576, 139594), (1652, 133172), (2366, 92984), (2561, 85904), (2704, 81361), (2758, 79768), (3068, 71708), (3152, 69797), (3304, 66586), (4732, 46492), (5122, 42952), (5369, 40976), (5516, 39884), (6136, 35854), (6608, 33293), (9464, 23246), (9971, 22064), (10244, 21476), (10738, 20488), (11032, 19942), (11623, 18928), (12272, 17927)]