251609904

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 270

約数和(自身を含む): 891182916

約数和(自身を除く): 639573012

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 169, 182, 196, 208, 211, 234, 252, 273, 294, 312, 336, 338, 364, 392, 422, 441, 468, 504, 507, 546, 588, 624, 633, 637, 676, 728, 784, 819, 844, 882, 936, 1008, 1014, 1092, 1176, 1183, 1266, 1274, 1352, 1456, 1477, 1521, 1638, 1688, 1764, 1872, 1899, 1911, 2028, 2184, 2352, 2366, 2532, 2548, 2704, 2743, 2954, 3042, 3276, 3376, 3528, 3549, 3798, 3822, 4056, 4368, 4431, 4732, 5064, 5096, 5486, 5733, 5908, 6084, 6552, 7056, 7098, 7596, 7644, 8112, 8229, 8281, 8862, 9464, 10128, 10192, 10339, 10647, 10972, 11466, 11816, 12168, 13104, 13293, 14196, 15192, 15288, 16458, 16562, 17724, 18928, 19201, 20678, 21294, 21944, 22932, 23632, 24336, 24687, 24843, 26586, 28392, 30384, 30576, 31017, 32916, 33124, 35448, 35659, 38402, 41356, 42588, 43888, 45864, 49374, 49686, 53172, 56784, 57603, 62034, 65832, 66248, 70896, 71318, 74529, 76804, 82712, 85176, 91728, 93051, 98748, 99372, 106344, 106977, 115206, 124068, 131664, 132496, 134407, 142636, 149058, 153608, 165424, 170352, 172809, 186102, 197496, 198744, 212688, 213954, 230412, 248136, 249613, 268814, 285272, 298116, 307216, 320931, 345618, 372204, 394992, 397488, 403221, 427908, 460824, 496272, 499226, 537628, 570544, 596232, 641862, 691236, 744408, 748839, 806442, 855816, 921648, 998452, 1075256, 1192464, 1209663, 1283724, 1382472, 1488816, 1497678, 1612884, 1711632, 1747291, 1996904, 2150512, 2246517, 2419326, 2567448, 2764944, 2995356, 3225768, 3494582, 3993808, 4493034, 4838652, 5134896, 5241873, 5990712, 6451536, 6989164, 8986068, 9677304, 10483746, 11981424, 13978328, 15725619, 17972136, 19354608, 20967492, 27956656, 31451238, 35944272, 41934984, 62902476, 83869968, 125804952, 251609904]

約数ペア:

[(1, 251609904), (2, 125804952), (3, 83869968), (4, 62902476), (6, 41934984), (7, 35944272), (8, 31451238), (9, 27956656), (12, 20967492), (13, 19354608), (14, 17972136), (16, 15725619), (18, 13978328), (21, 11981424), (24, 10483746), (26, 9677304), (28, 8986068), (36, 6989164), (39, 6451536), (42, 5990712), (48, 5241873), (49, 5134896), (52, 4838652), (56, 4493034), (63, 3993808), (72, 3494582), (78, 3225768), (84, 2995356), (91, 2764944), (98, 2567448), (104, 2419326), (112, 2246517), (117, 2150512), (126, 1996904), (144, 1747291), (147, 1711632), (156, 1612884), (168, 1497678), (169, 1488816), (182, 1382472), (196, 1283724), (208, 1209663), (211, 1192464), (234, 1075256), (252, 998452), (273, 921648), (294, 855816), (312, 806442), (336, 748839), (338, 744408), (364, 691236), (392, 641862), (422, 596232), (441, 570544), (468, 537628), (504, 499226), (507, 496272), (546, 460824), (588, 427908), (624, 403221), (633, 397488), (637, 394992), (676, 372204), (728, 345618), (784, 320931), (819, 307216), (844, 298116), (882, 285272), (936, 268814), (1008, 249613), (1014, 248136), (1092, 230412), (1176, 213954), (1183, 212688), (1266, 198744), (1274, 197496), (1352, 186102), (1456, 172809), (1477, 170352), (1521, 165424), (1638, 153608), (1688, 149058), (1764, 142636), (1872, 134407), (1899, 132496), (1911, 131664), (2028, 124068), (2184, 115206), (2352, 106977), (2366, 106344), (2532, 99372), (2548, 98748), (2704, 93051), (2743, 91728), (2954, 85176), (3042, 82712), (3276, 76804), (3376, 74529), (3528, 71318), (3549, 70896), (3798, 66248), (3822, 65832), (4056, 62034), (4368, 57603), (4431, 56784), (4732, 53172), (5064, 49686), (5096, 49374), (5486, 45864), (5733, 43888), (5908, 42588), (6084, 41356), (6552, 38402), (7056, 35659), (7098, 35448), (7596, 33124), (7644, 32916), (8112, 31017), (8229, 30576), (8281, 30384), (8862, 28392), (9464, 26586), (10128, 24843), (10192, 24687), (10339, 24336), (10647, 23632), (10972, 22932), (11466, 21944), (11816, 21294), (12168, 20678), (13104, 19201), (13293, 18928), (14196, 17724), (15192, 16562), (15288, 16458)]