284860520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 797817600

約数和(自身を除く): 512957080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 71, 89, 92, 98, 115, 140, 142, 161, 178, 184, 196, 230, 245, 280, 284, 322, 355, 356, 392, 445, 460, 490, 497, 568, 623, 644, 710, 712, 805, 890, 920, 980, 994, 1127, 1246, 1288, 1420, 1610, 1633, 1780, 1960, 1988, 2047, 2254, 2485, 2492, 2840, 3115, 3220, 3266, 3479, 3560, 3976, 4094, 4361, 4508, 4970, 4984, 5635, 6230, 6319, 6440, 6532, 6958, 8165, 8188, 8722, 9016, 9940, 10235, 11270, 11431, 12460, 12638, 13064, 13916, 14329, 16330, 16376, 17395, 17444, 19880, 20470, 21805, 22540, 22862, 24920, 25276, 27832, 28658, 31595, 32660, 34790, 34888, 40940, 43610, 44233, 45080, 45724, 50552, 57155, 57316, 63190, 65320, 69580, 71645, 80017, 81880, 87220, 88466, 91448, 100303, 114310, 114632, 126380, 139160, 143290, 145337, 160034, 174440, 176932, 200606, 221165, 228620, 252760, 286580, 290674, 309631, 320068, 353864, 400085, 401212, 442330, 457240, 501515, 573160, 581348, 619262, 640136, 726685, 800170, 802424, 884660, 1003030, 1017359, 1162696, 1238524, 1453370, 1548155, 1600340, 1769320, 2006060, 2034718, 2477048, 2906740, 3096310, 3200680, 4012120, 4069436, 5086795, 5813480, 6192620, 7121513, 8138872, 10173590, 12385240, 14243026, 20347180, 28486052, 35607565, 40694360, 56972104, 71215130, 142430260, 284860520]

約数ペア:

[(1, 284860520), (2, 142430260), (4, 71215130), (5, 56972104), (7, 40694360), (8, 35607565), (10, 28486052), (14, 20347180), (20, 14243026), (23, 12385240), (28, 10173590), (35, 8138872), (40, 7121513), (46, 6192620), (49, 5813480), (56, 5086795), (70, 4069436), (71, 4012120), (89, 3200680), (92, 3096310), (98, 2906740), (115, 2477048), (140, 2034718), (142, 2006060), (161, 1769320), (178, 1600340), (184, 1548155), (196, 1453370), (230, 1238524), (245, 1162696), (280, 1017359), (284, 1003030), (322, 884660), (355, 802424), (356, 800170), (392, 726685), (445, 640136), (460, 619262), (490, 581348), (497, 573160), (568, 501515), (623, 457240), (644, 442330), (710, 401212), (712, 400085), (805, 353864), (890, 320068), (920, 309631), (980, 290674), (994, 286580), (1127, 252760), (1246, 228620), (1288, 221165), (1420, 200606), (1610, 176932), (1633, 174440), (1780, 160034), (1960, 145337), (1988, 143290), (2047, 139160), (2254, 126380), (2485, 114632), (2492, 114310), (2840, 100303), (3115, 91448), (3220, 88466), (3266, 87220), (3479, 81880), (3560, 80017), (3976, 71645), (4094, 69580), (4361, 65320), (4508, 63190), (4970, 57316), (4984, 57155), (5635, 50552), (6230, 45724), (6319, 45080), (6440, 44233), (6532, 43610), (6958, 40940), (8165, 34888), (8188, 34790), (8722, 32660), (9016, 31595), (9940, 28658), (10235, 27832), (11270, 25276), (11431, 24920), (12460, 22862), (12638, 22540), (13064, 21805), (13916, 20470), (14329, 19880), (16330, 17444), (16376, 17395)]