1999951824

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 5975645312

約数和(自身を除く): 3975693488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 37, 39, 48, 52, 58, 74, 78, 87, 103, 104, 111, 116, 148, 156, 174, 206, 208, 222, 232, 296, 309, 312, 348, 377, 412, 444, 464, 481, 592, 618, 624, 696, 754, 824, 841, 888, 962, 1073, 1131, 1236, 1339, 1392, 1443, 1508, 1648, 1682, 1776, 1924, 2146, 2262, 2472, 2523, 2678, 2886, 2987, 3016, 3219, 3364, 3811, 3848, 4017, 4292, 4524, 4944, 5046, 5356, 5772, 5974, 6032, 6438, 6728, 7622, 7696, 8034, 8584, 8961, 9048, 10092, 10712, 10933, 11433, 11544, 11948, 12876, 13456, 13949, 15244, 16068, 17168, 17922, 18096, 20184, 21424, 21866, 22866, 23088, 23896, 25752, 27898, 30488, 31117, 32136, 32799, 35844, 38831, 40368, 41847, 43732, 45732, 47792, 49543, 51504, 55796, 60976, 62234, 64272, 65598, 71688, 77662, 83694, 86623, 87464, 91464, 93351, 99086, 110519, 111592, 116493, 124468, 131196, 143376, 148629, 155324, 167388, 173246, 174928, 182928, 186702, 198172, 221038, 223184, 232986, 248936, 259869, 262392, 297258, 310648, 331557, 334776, 346492, 373404, 396344, 404521, 442076, 465972, 497872, 519738, 524784, 594516, 621296, 663114, 669552, 692984, 746808, 792688, 809042, 884152, 931944, 1039476, 1126099, 1189032, 1213563, 1326228, 1385968, 1436747, 1493616, 1618084, 1768304, 1863888, 2078952, 2252198, 2378064, 2427126, 2652456, 2873494, 3205051, 3236168, 3378297, 4157904, 4310241, 4504396, 4854252, 5304912, 5746988, 6410102, 6472336, 6756594, 8620482, 9008792, 9615153, 9708504, 11493976, 12820204, 13513188, 17240964, 18017584, 19230306, 19417008, 22987952, 25640408, 27026376, 34481928, 38460612, 41665663, 51280816, 54052752, 68963856, 76921224, 83331326, 124996989, 153842448, 166662652, 249993978, 333325304, 499987956, 666650608, 999975912, 1999951824]

約数ペア:

[(1, 1999951824), (2, 999975912), (3, 666650608), (4, 499987956), (6, 333325304), (8, 249993978), (12, 166662652), (13, 153842448), (16, 124996989), (24, 83331326), (26, 76921224), (29, 68963856), (37, 54052752), (39, 51280816), (48, 41665663), (52, 38460612), (58, 34481928), (74, 27026376), (78, 25640408), (87, 22987952), (103, 19417008), (104, 19230306), (111, 18017584), (116, 17240964), (148, 13513188), (156, 12820204), (174, 11493976), (206, 9708504), (208, 9615153), (222, 9008792), (232, 8620482), (296, 6756594), (309, 6472336), (312, 6410102), (348, 5746988), (377, 5304912), (412, 4854252), (444, 4504396), (464, 4310241), (481, 4157904), (592, 3378297), (618, 3236168), (624, 3205051), (696, 2873494), (754, 2652456), (824, 2427126), (841, 2378064), (888, 2252198), (962, 2078952), (1073, 1863888), (1131, 1768304), (1236, 1618084), (1339, 1493616), (1392, 1436747), (1443, 1385968), (1508, 1326228), (1648, 1213563), (1682, 1189032), (1776, 1126099), (1924, 1039476), (2146, 931944), (2262, 884152), (2472, 809042), (2523, 792688), (2678, 746808), (2886, 692984), (2987, 669552), (3016, 663114), (3219, 621296), (3364, 594516), (3811, 524784), (3848, 519738), (4017, 497872), (4292, 465972), (4524, 442076), (4944, 404521), (5046, 396344), (5356, 373404), (5772, 346492), (5974, 334776), (6032, 331557), (6438, 310648), (6728, 297258), (7622, 262392), (7696, 259869), (8034, 248936), (8584, 232986), (8961, 223184), (9048, 221038), (10092, 198172), (10712, 186702), (10933, 182928), (11433, 174928), (11544, 173246), (11948, 167388), (12876, 155324), (13456, 148629), (13949, 143376), (15244, 131196), (16068, 124468), (17168, 116493), (17922, 111592), (18096, 110519), (20184, 99086), (21424, 93351), (21866, 91464), (22866, 87464), (23088, 86623), (23896, 83694), (25752, 77662), (27898, 71688), (30488, 65598), (31117, 64272), (32136, 62234), (32799, 60976), (35844, 55796), (38831, 51504), (40368, 49543), (41847, 47792), (43732, 45732)]