490698180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 1817088000

約数和(自身を除く): 1326389820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 103, 105, 114, 126, 133, 140, 171, 180, 190, 199, 206, 210, 228, 252, 266, 285, 309, 315, 342, 380, 398, 399, 412, 420, 515, 532, 570, 597, 618, 630, 665, 684, 721, 796, 798, 855, 927, 995, 1030, 1140, 1194, 1197, 1236, 1260, 1330, 1393, 1442, 1545, 1596, 1710, 1791, 1854, 1957, 1990, 1995, 2060, 2163, 2388, 2394, 2660, 2786, 2884, 2985, 3090, 3420, 3582, 3605, 3708, 3781, 3914, 3980, 3990, 4179, 4326, 4635, 4788, 5572, 5871, 5970, 5985, 6180, 6489, 6965, 7164, 7210, 7562, 7828, 7980, 8358, 8652, 8955, 9270, 9785, 10815, 11343, 11742, 11940, 11970, 12537, 12978, 13699, 13930, 14420, 15124, 16716, 17613, 17910, 18540, 18905, 19570, 20497, 20895, 21630, 22686, 23484, 23940, 25074, 25956, 26467, 27398, 27860, 29355, 32445, 34029, 35226, 35820, 37810, 39140, 40994, 41097, 41790, 43260, 45372, 50148, 52934, 54796, 56715, 58710, 61491, 62685, 64890, 68058, 68495, 70452, 75620, 79401, 81988, 82194, 83580, 88065, 102485, 105868, 113430, 117420, 122982, 123291, 125370, 129780, 132335, 136116, 136990, 143479, 158802, 164388, 170145, 176130, 184473, 204970, 205485, 226860, 238203, 245964, 246582, 250740, 264670, 273980, 286958, 307455, 317604, 340290, 352260, 368946, 389443, 397005, 409940, 410970, 430437, 476406, 493164, 529340, 573916, 614910, 616455, 680580, 717395, 737892, 778886, 794010, 821940, 860874, 922365, 952812, 1168329, 1191015, 1229820, 1232910, 1291311, 1434790, 1557772, 1588020, 1721748, 1844730, 1947215, 2152185, 2336658, 2382030, 2465820, 2582622, 2726101, 2869580, 3504987, 3689460, 3894430, 4304370, 4673316, 4764060, 5165244, 5452202, 5841645, 6456555, 7009974, 7788860, 8178303, 8608740, 10904404, 11683290, 12913110, 13630505, 14019948, 16356606, 17524935, 23366580, 24534909, 25826220, 27261010, 32713212, 35049870, 40891515, 49069818, 54522020, 70099740, 81783030, 98139636, 122674545, 163566060, 245349090, 490698180]

約数ペア:

[(1, 490698180), (2, 245349090), (3, 163566060), (4, 122674545), (5, 98139636), (6, 81783030), (7, 70099740), (9, 54522020), (10, 49069818), (12, 40891515), (14, 35049870), (15, 32713212), (18, 27261010), (19, 25826220), (20, 24534909), (21, 23366580), (28, 17524935), (30, 16356606), (35, 14019948), (36, 13630505), (38, 12913110), (42, 11683290), (45, 10904404), (57, 8608740), (60, 8178303), (63, 7788860), (70, 7009974), (76, 6456555), (84, 5841645), (90, 5452202), (95, 5165244), (103, 4764060), (105, 4673316), (114, 4304370), (126, 3894430), (133, 3689460), (140, 3504987), (171, 2869580), (180, 2726101), (190, 2582622), (199, 2465820), (206, 2382030), (210, 2336658), (228, 2152185), (252, 1947215), (266, 1844730), (285, 1721748), (309, 1588020), (315, 1557772), (342, 1434790), (380, 1291311), (398, 1232910), (399, 1229820), (412, 1191015), (420, 1168329), (515, 952812), (532, 922365), (570, 860874), (597, 821940), (618, 794010), (630, 778886), (665, 737892), (684, 717395), (721, 680580), (796, 616455), (798, 614910), (855, 573916), (927, 529340), (995, 493164), (1030, 476406), (1140, 430437), (1194, 410970), (1197, 409940), (1236, 397005), (1260, 389443), (1330, 368946), (1393, 352260), (1442, 340290), (1545, 317604), (1596, 307455), (1710, 286958), (1791, 273980), (1854, 264670), (1957, 250740), (1990, 246582), (1995, 245964), (2060, 238203), (2163, 226860), (2388, 205485), (2394, 204970), (2660, 184473), (2786, 176130), (2884, 170145), (2985, 164388), (3090, 158802), (3420, 143479), (3582, 136990), (3605, 136116), (3708, 132335), (3781, 129780), (3914, 125370), (3980, 123291), (3990, 122982), (4179, 117420), (4326, 113430), (4635, 105868), (4788, 102485), (5572, 88065), (5871, 83580), (5970, 82194), (5985, 81988), (6180, 79401), (6489, 75620), (6965, 70452), (7164, 68495), (7210, 68058), (7562, 64890), (7828, 62685), (7980, 61491), (8358, 58710), (8652, 56715), (8955, 54796), (9270, 52934), (9785, 50148), (10815, 45372), (11343, 43260), (11742, 41790), (11940, 41097), (11970, 40994), (12537, 39140), (12978, 37810), (13699, 35820), (13930, 35226), (14420, 34029), (15124, 32445), (16716, 29355), (17613, 27860), (17910, 27398), (18540, 26467), (18905, 25956), (19570, 25074), (20497, 23940), (20895, 23484), (21630, 22686)]