1985997440

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 256

約数和(自身を含む): 5654880000

約数和(自身を除く): 3668882560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 83, 98, 109, 112, 128, 140, 160, 166, 196, 218, 224, 245, 280, 320, 332, 343, 392, 415, 436, 448, 490, 545, 560, 581, 640, 664, 686, 763, 784, 830, 872, 896, 980, 1090, 1120, 1162, 1328, 1372, 1526, 1568, 1660, 1715, 1744, 1960, 2180, 2240, 2324, 2656, 2744, 2905, 3052, 3136, 3320, 3430, 3488, 3815, 3920, 4067, 4360, 4480, 4648, 5312, 5341, 5488, 5810, 6104, 6272, 6640, 6860, 6976, 7630, 7840, 8134, 8720, 9047, 9296, 10624, 10682, 10976, 11620, 12208, 13280, 13720, 13952, 15260, 15680, 16268, 17440, 18094, 18592, 20335, 21364, 21952, 23240, 24416, 26560, 26705, 27440, 28469, 30520, 31360, 32536, 34880, 36188, 37184, 37387, 40670, 42728, 43904, 45235, 46480, 48832, 53120, 53410, 54880, 56938, 61040, 63329, 65072, 69760, 72376, 74368, 74774, 81340, 85456, 90470, 92960, 97664, 106820, 109760, 113876, 122080, 126658, 130144, 142345, 144752, 149548, 162680, 170912, 180940, 185920, 186935, 213640, 219520, 227752, 244160, 253316, 260288, 284690, 289504, 299096, 316645, 325360, 341824, 361880, 371840, 373870, 427280, 443303, 455504, 488320, 506632, 520576, 569380, 579008, 598192, 633290, 650720, 683648, 723760, 747740, 854560, 886606, 911008, 1013264, 1138760, 1158016, 1196384, 1266580, 1301440, 1447520, 1495480, 1709120, 1773212, 1822016, 2026528, 2216515, 2277520, 2392768, 2533160, 2602880, 2895040, 2990960, 3103121, 3418240, 3546424, 3644032, 4053056, 4433030, 4555040, 4785536, 5066320, 5790080, 5981920, 6206242, 7092848, 8106112, 8866060, 9110080, 10132640, 11963840, 12412484, 14185696, 15515605, 17732120, 18220160, 20265280, 23927680, 24824968, 28371392, 31031210, 35464240, 40530560, 49649936, 56742784, 62062420, 70928480, 99299872, 124124840, 141856960, 198599744, 248249680, 283713920, 397199488, 496499360, 992998720, 1985997440]

約数ペア:

[(1, 1985997440), (2, 992998720), (4, 496499360), (5, 397199488), (7, 283713920), (8, 248249680), (10, 198599744), (14, 141856960), (16, 124124840), (20, 99299872), (28, 70928480), (32, 62062420), (35, 56742784), (40, 49649936), (49, 40530560), (56, 35464240), (64, 31031210), (70, 28371392), (80, 24824968), (83, 23927680), (98, 20265280), (109, 18220160), (112, 17732120), (128, 15515605), (140, 14185696), (160, 12412484), (166, 11963840), (196, 10132640), (218, 9110080), (224, 8866060), (245, 8106112), (280, 7092848), (320, 6206242), (332, 5981920), (343, 5790080), (392, 5066320), (415, 4785536), (436, 4555040), (448, 4433030), (490, 4053056), (545, 3644032), (560, 3546424), (581, 3418240), (640, 3103121), (664, 2990960), (686, 2895040), (763, 2602880), (784, 2533160), (830, 2392768), (872, 2277520), (896, 2216515), (980, 2026528), (1090, 1822016), (1120, 1773212), (1162, 1709120), (1328, 1495480), (1372, 1447520), (1526, 1301440), (1568, 1266580), (1660, 1196384), (1715, 1158016), (1744, 1138760), (1960, 1013264), (2180, 911008), (2240, 886606), (2324, 854560), (2656, 747740), (2744, 723760), (2905, 683648), (3052, 650720), (3136, 633290), (3320, 598192), (3430, 579008), (3488, 569380), (3815, 520576), (3920, 506632), (4067, 488320), (4360, 455504), (4480, 443303), (4648, 427280), (5312, 373870), (5341, 371840), (5488, 361880), (5810, 341824), (6104, 325360), (6272, 316645), (6640, 299096), (6860, 289504), (6976, 284690), (7630, 260288), (7840, 253316), (8134, 244160), (8720, 227752), (9047, 219520), (9296, 213640), (10624, 186935), (10682, 185920), (10976, 180940), (11620, 170912), (12208, 162680), (13280, 149548), (13720, 144752), (13952, 142345), (15260, 130144), (15680, 126658), (16268, 122080), (17440, 113876), (18094, 109760), (18592, 106820), (20335, 97664), (21364, 92960), (21952, 90470), (23240, 85456), (24416, 81340), (26560, 74774), (26705, 74368), (27440, 72376), (28469, 69760), (30520, 65072), (31360, 63329), (32536, 61040), (34880, 56938), (36188, 54880), (37184, 53410), (37387, 53120), (40670, 48832), (42728, 46480), (43904, 45235)]