400845888

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 224

約数和(自身を含む): 1286256000

約数和(自身を除く): 885410112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 32, 36, 38, 48, 54, 57, 58, 64, 72, 76, 87, 96, 108, 114, 116, 144, 152, 171, 174, 192, 216, 228, 232, 261, 288, 304, 342, 348, 421, 432, 456, 464, 513, 522, 551, 576, 608, 684, 696, 783, 842, 864, 912, 928, 1026, 1044, 1102, 1216, 1263, 1368, 1392, 1566, 1653, 1684, 1728, 1824, 1856, 2052, 2088, 2204, 2526, 2736, 2784, 3132, 3306, 3368, 3648, 3789, 4104, 4176, 4408, 4959, 5052, 5472, 5568, 6264, 6612, 6736, 7578, 7999, 8208, 8352, 8816, 9918, 10104, 10944, 11367, 12209, 12528, 13224, 13472, 14877, 15156, 15998, 16416, 16704, 17632, 19836, 20208, 22734, 23997, 24418, 25056, 26448, 26944, 29754, 30312, 31996, 32832, 35264, 36627, 39672, 40416, 45468, 47994, 48836, 50112, 52896, 59508, 60624, 63992, 71991, 73254, 79344, 80832, 90936, 95988, 97672, 105792, 109881, 119016, 121248, 127984, 143982, 146508, 158688, 181872, 191976, 195344, 215973, 219762, 231971, 238032, 242496, 255968, 287964, 293016, 317376, 329643, 363744, 383952, 390688, 431946, 439524, 463942, 476064, 511936, 575928, 586032, 659286, 695913, 727488, 767904, 781376, 863892, 879048, 927884, 952128, 1151856, 1172064, 1318572, 1391826, 1535808, 1727784, 1758096, 1855768, 2087739, 2303712, 2344128, 2637144, 2783652, 3455568, 3516192, 3711536, 4175478, 4607424, 5274288, 5567304, 6263217, 6911136, 7032384, 7423072, 8350956, 10548576, 11134608, 12526434, 13822272, 14846144, 16701912, 21097152, 22269216, 25052868, 33403824, 44538432, 50105736, 66807648, 100211472, 133615296, 200422944, 400845888]

約数ペア:

[(1, 400845888), (2, 200422944), (3, 133615296), (4, 100211472), (6, 66807648), (8, 50105736), (9, 44538432), (12, 33403824), (16, 25052868), (18, 22269216), (19, 21097152), (24, 16701912), (27, 14846144), (29, 13822272), (32, 12526434), (36, 11134608), (38, 10548576), (48, 8350956), (54, 7423072), (57, 7032384), (58, 6911136), (64, 6263217), (72, 5567304), (76, 5274288), (87, 4607424), (96, 4175478), (108, 3711536), (114, 3516192), (116, 3455568), (144, 2783652), (152, 2637144), (171, 2344128), (174, 2303712), (192, 2087739), (216, 1855768), (228, 1758096), (232, 1727784), (261, 1535808), (288, 1391826), (304, 1318572), (342, 1172064), (348, 1151856), (421, 952128), (432, 927884), (456, 879048), (464, 863892), (513, 781376), (522, 767904), (551, 727488), (576, 695913), (608, 659286), (684, 586032), (696, 575928), (783, 511936), (842, 476064), (864, 463942), (912, 439524), (928, 431946), (1026, 390688), (1044, 383952), (1102, 363744), (1216, 329643), (1263, 317376), (1368, 293016), (1392, 287964), (1566, 255968), (1653, 242496), (1684, 238032), (1728, 231971), (1824, 219762), (1856, 215973), (2052, 195344), (2088, 191976), (2204, 181872), (2526, 158688), (2736, 146508), (2784, 143982), (3132, 127984), (3306, 121248), (3368, 119016), (3648, 109881), (3789, 105792), (4104, 97672), (4176, 95988), (4408, 90936), (4959, 80832), (5052, 79344), (5472, 73254), (5568, 71991), (6264, 63992), (6612, 60624), (6736, 59508), (7578, 52896), (7999, 50112), (8208, 48836), (8352, 47994), (8816, 45468), (9918, 40416), (10104, 39672), (10944, 36627), (11367, 35264), (12209, 32832), (12528, 31996), (13224, 30312), (13472, 29754), (14877, 26944), (15156, 26448), (15998, 25056), (16416, 24418), (16704, 23997), (17632, 22734), (19836, 20208)]