1991004048

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:630

約数の個数: 240

約数和(自身を含む): 6371913600

約数和(自身を除く): 4380909552

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 89, 99, 116, 132, 144, 174, 176, 178, 198, 232, 261, 264, 267, 319, 348, 356, 396, 464, 487, 522, 528, 534, 638, 696, 712, 792, 801, 957, 974, 979, 1044, 1068, 1276, 1392, 1424, 1461, 1584, 1602, 1914, 1948, 1958, 2088, 2136, 2552, 2581, 2871, 2922, 2937, 3204, 3828, 3896, 3916, 4176, 4272, 4383, 5104, 5162, 5357, 5742, 5844, 5874, 6408, 7656, 7743, 7792, 7832, 8766, 8811, 10324, 10714, 11484, 11688, 11748, 12816, 14123, 15312, 15486, 15664, 16071, 17532, 17622, 20648, 21428, 22968, 23229, 23376, 23496, 28246, 28391, 30972, 32142, 35064, 35244, 41296, 42369, 42856, 43343, 45936, 46458, 46992, 48213, 56492, 56782, 61944, 64284, 70128, 70488, 84738, 85173, 85712, 86686, 92916, 96426, 112984, 113564, 123888, 127107, 128568, 130029, 140976, 155353, 169476, 170346, 173372, 185832, 192852, 225968, 227128, 254214, 255519, 257136, 260058, 310706, 338952, 340692, 346744, 371664, 385704, 390087, 454256, 466059, 476773, 508428, 511038, 520116, 621412, 677904, 681384, 693488, 771408, 780174, 932118, 953546, 1016856, 1022076, 1040232, 1242824, 1256947, 1362768, 1398177, 1430319, 1560348, 1864236, 1907092, 2033712, 2044152, 2080464, 2485648, 2513894, 2796354, 2860638, 3120696, 3728472, 3770841, 3814184, 4088304, 4290957, 5027788, 5592708, 5721276, 6241392, 7456944, 7541682, 7628368, 8581914, 10055576, 11185416, 11312523, 11442552, 13826417, 15083364, 17163828, 20111152, 22370832, 22625046, 22885104, 27652834, 30166728, 34327656, 41479251, 45250092, 55305668, 60333456, 68655312, 82958502, 90500184, 110611336, 124437753, 165917004, 181000368, 221222672, 248875506, 331834008, 497751012, 663668016, 995502024, 1991004048]

約数ペア:

[(1, 1991004048), (2, 995502024), (3, 663668016), (4, 497751012), (6, 331834008), (8, 248875506), (9, 221222672), (11, 181000368), (12, 165917004), (16, 124437753), (18, 110611336), (22, 90500184), (24, 82958502), (29, 68655312), (33, 60333456), (36, 55305668), (44, 45250092), (48, 41479251), (58, 34327656), (66, 30166728), (72, 27652834), (87, 22885104), (88, 22625046), (89, 22370832), (99, 20111152), (116, 17163828), (132, 15083364), (144, 13826417), (174, 11442552), (176, 11312523), (178, 11185416), (198, 10055576), (232, 8581914), (261, 7628368), (264, 7541682), (267, 7456944), (319, 6241392), (348, 5721276), (356, 5592708), (396, 5027788), (464, 4290957), (487, 4088304), (522, 3814184), (528, 3770841), (534, 3728472), (638, 3120696), (696, 2860638), (712, 2796354), (792, 2513894), (801, 2485648), (957, 2080464), (974, 2044152), (979, 2033712), (1044, 1907092), (1068, 1864236), (1276, 1560348), (1392, 1430319), (1424, 1398177), (1461, 1362768), (1584, 1256947), (1602, 1242824), (1914, 1040232), (1948, 1022076), (1958, 1016856), (2088, 953546), (2136, 932118), (2552, 780174), (2581, 771408), (2871, 693488), (2922, 681384), (2937, 677904), (3204, 621412), (3828, 520116), (3896, 511038), (3916, 508428), (4176, 476773), (4272, 466059), (4383, 454256), (5104, 390087), (5162, 385704), (5357, 371664), (5742, 346744), (5844, 340692), (5874, 338952), (6408, 310706), (7656, 260058), (7743, 257136), (7792, 255519), (7832, 254214), (8766, 227128), (8811, 225968), (10324, 192852), (10714, 185832), (11484, 173372), (11688, 170346), (11748, 169476), (12816, 155353), (14123, 140976), (15312, 130029), (15486, 128568), (15664, 127107), (16071, 123888), (17532, 113564), (17622, 112984), (20648, 96426), (21428, 92916), (22968, 86686), (23229, 85712), (23376, 85173), (23496, 84738), (28246, 70488), (28391, 70128), (30972, 64284), (32142, 61944), (35064, 56782), (35244, 56492), (41296, 48213), (42369, 46992), (42856, 46458), (43343, 45936)]