491209992

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 288

約数和(自身を含む): 1690041600

約数和(自身を除く): 1198831608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 73, 78, 79, 84, 91, 104, 117, 126, 146, 156, 158, 168, 169, 182, 219, 234, 237, 252, 273, 292, 312, 316, 338, 364, 438, 468, 474, 504, 507, 511, 546, 553, 584, 632, 657, 676, 711, 728, 819, 876, 936, 948, 949, 1014, 1022, 1027, 1092, 1106, 1183, 1314, 1352, 1422, 1521, 1533, 1638, 1659, 1752, 1896, 1898, 2028, 2044, 2054, 2184, 2212, 2366, 2628, 2844, 2847, 3042, 3066, 3081, 3276, 3318, 3549, 3796, 4056, 4088, 4108, 4424, 4599, 4732, 4977, 5256, 5688, 5694, 5767, 6084, 6132, 6162, 6552, 6636, 6643, 7098, 7189, 7592, 8216, 8541, 9198, 9243, 9464, 9954, 10647, 11388, 11534, 12168, 12264, 12324, 12337, 13272, 13286, 13351, 14196, 14378, 17082, 17301, 18396, 18486, 19908, 19929, 21294, 21567, 22776, 23068, 24648, 24674, 26572, 26702, 28392, 28756, 34164, 34602, 36792, 36972, 37011, 39816, 39858, 40053, 40369, 42588, 43134, 46136, 49348, 51903, 53144, 53404, 57512, 59787, 64701, 68328, 69204, 73944, 74022, 74971, 79716, 80106, 80738, 85176, 86268, 86359, 93457, 98696, 103806, 106808, 111033, 119574, 120159, 121107, 129402, 138408, 148044, 149942, 159432, 160212, 161476, 172536, 172718, 186914, 207612, 222066, 224913, 239148, 240318, 242214, 258804, 259077, 280371, 296088, 299884, 320424, 322952, 345436, 363321, 373828, 415224, 444132, 449826, 478296, 480636, 484428, 517608, 518154, 524797, 560742, 599768, 674739, 690872, 726642, 747656, 777231, 841113, 888264, 899652, 961272, 968856, 974623, 1036308, 1049594, 1121484, 1349478, 1453284, 1554462, 1574391, 1682226, 1799304, 1949246, 2072616, 2099188, 2242968, 2698956, 2906568, 2923869, 3108924, 3148782, 3364452, 3898492, 4198376, 4723173, 5397912, 5847738, 6217848, 6297564, 6728904, 6822361, 7796984, 8771607, 9446346, 11695476, 12595128, 13644722, 17543214, 18892692, 20467083, 23390952, 27289444, 35086428, 37785384, 40934166, 54578888, 61401249, 70172856, 81868332, 122802498, 163736664, 245604996, 491209992]

約数ペア:

[(1, 491209992), (2, 245604996), (3, 163736664), (4, 122802498), (6, 81868332), (7, 70172856), (8, 61401249), (9, 54578888), (12, 40934166), (13, 37785384), (14, 35086428), (18, 27289444), (21, 23390952), (24, 20467083), (26, 18892692), (28, 17543214), (36, 13644722), (39, 12595128), (42, 11695476), (52, 9446346), (56, 8771607), (63, 7796984), (72, 6822361), (73, 6728904), (78, 6297564), (79, 6217848), (84, 5847738), (91, 5397912), (104, 4723173), (117, 4198376), (126, 3898492), (146, 3364452), (156, 3148782), (158, 3108924), (168, 2923869), (169, 2906568), (182, 2698956), (219, 2242968), (234, 2099188), (237, 2072616), (252, 1949246), (273, 1799304), (292, 1682226), (312, 1574391), (316, 1554462), (338, 1453284), (364, 1349478), (438, 1121484), (468, 1049594), (474, 1036308), (504, 974623), (507, 968856), (511, 961272), (546, 899652), (553, 888264), (584, 841113), (632, 777231), (657, 747656), (676, 726642), (711, 690872), (728, 674739), (819, 599768), (876, 560742), (936, 524797), (948, 518154), (949, 517608), (1014, 484428), (1022, 480636), (1027, 478296), (1092, 449826), (1106, 444132), (1183, 415224), (1314, 373828), (1352, 363321), (1422, 345436), (1521, 322952), (1533, 320424), (1638, 299884), (1659, 296088), (1752, 280371), (1896, 259077), (1898, 258804), (2028, 242214), (2044, 240318), (2054, 239148), (2184, 224913), (2212, 222066), (2366, 207612), (2628, 186914), (2844, 172718), (2847, 172536), (3042, 161476), (3066, 160212), (3081, 159432), (3276, 149942), (3318, 148044), (3549, 138408), (3796, 129402), (4056, 121107), (4088, 120159), (4108, 119574), (4424, 111033), (4599, 106808), (4732, 103806), (4977, 98696), (5256, 93457), (5688, 86359), (5694, 86268), (5767, 85176), (6084, 80738), (6132, 80106), (6162, 79716), (6552, 74971), (6636, 74022), (6643, 73944), (7098, 69204), (7189, 68328), (7592, 64701), (8216, 59787), (8541, 57512), (9198, 53404), (9243, 53144), (9464, 51903), (9954, 49348), (10647, 46136), (11388, 43134), (11534, 42588), (12168, 40369), (12264, 40053), (12324, 39858), (12337, 39816), (13272, 37011), (13286, 36972), (13351, 36792), (14196, 34602), (14378, 34164), (17082, 28756), (17301, 28392), (18396, 26702), (18486, 26572), (19908, 24674), (19929, 24648), (21294, 23068), (21567, 22776)]