218709400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 639334080

約数和(自身を除く): 420624680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 61, 65, 70, 91, 100, 104, 122, 130, 140, 175, 182, 197, 200, 244, 260, 280, 305, 325, 350, 364, 394, 427, 455, 488, 520, 610, 650, 700, 728, 788, 793, 854, 910, 985, 1220, 1300, 1379, 1400, 1525, 1576, 1586, 1708, 1820, 1970, 2135, 2275, 2440, 2561, 2600, 2758, 3050, 3172, 3416, 3640, 3940, 3965, 4270, 4550, 4925, 5122, 5516, 5551, 6100, 6344, 6895, 7880, 7930, 8540, 9100, 9850, 10244, 10675, 11032, 11102, 12017, 12200, 12805, 13790, 15860, 17080, 17927, 18200, 19700, 19825, 20488, 21350, 22204, 24034, 25610, 27580, 27755, 31720, 34475, 35854, 39400, 39650, 42700, 44408, 48068, 51220, 55160, 55510, 60085, 64025, 68950, 71708, 79300, 84119, 85400, 89635, 96136, 102440, 111020, 120170, 128050, 137900, 138775, 143416, 156221, 158600, 168238, 179270, 222040, 240340, 256100, 275800, 277550, 300425, 312442, 336476, 358540, 420595, 448175, 480680, 512200, 555100, 600850, 624884, 672952, 717080, 781105, 841190, 896350, 1093547, 1110200, 1201700, 1249768, 1562210, 1682380, 1792700, 2102975, 2187094, 2403400, 3124420, 3364760, 3585400, 3905525, 4205950, 4374188, 5467735, 6248840, 7811050, 8411900, 8748376, 10935470, 15622100, 16823800, 21870940, 27338675, 31244200, 43741880, 54677350, 109354700, 218709400]

約数ペア:

[(1, 218709400), (2, 109354700), (4, 54677350), (5, 43741880), (7, 31244200), (8, 27338675), (10, 21870940), (13, 16823800), (14, 15622100), (20, 10935470), (25, 8748376), (26, 8411900), (28, 7811050), (35, 6248840), (40, 5467735), (50, 4374188), (52, 4205950), (56, 3905525), (61, 3585400), (65, 3364760), (70, 3124420), (91, 2403400), (100, 2187094), (104, 2102975), (122, 1792700), (130, 1682380), (140, 1562210), (175, 1249768), (182, 1201700), (197, 1110200), (200, 1093547), (244, 896350), (260, 841190), (280, 781105), (305, 717080), (325, 672952), (350, 624884), (364, 600850), (394, 555100), (427, 512200), (455, 480680), (488, 448175), (520, 420595), (610, 358540), (650, 336476), (700, 312442), (728, 300425), (788, 277550), (793, 275800), (854, 256100), (910, 240340), (985, 222040), (1220, 179270), (1300, 168238), (1379, 158600), (1400, 156221), (1525, 143416), (1576, 138775), (1586, 137900), (1708, 128050), (1820, 120170), (1970, 111020), (2135, 102440), (2275, 96136), (2440, 89635), (2561, 85400), (2600, 84119), (2758, 79300), (3050, 71708), (3172, 68950), (3416, 64025), (3640, 60085), (3940, 55510), (3965, 55160), (4270, 51220), (4550, 48068), (4925, 44408), (5122, 42700), (5516, 39650), (5551, 39400), (6100, 35854), (6344, 34475), (6895, 31720), (7880, 27755), (7930, 27580), (8540, 25610), (9100, 24034), (9850, 22204), (10244, 21350), (10675, 20488), (11032, 19825), (11102, 19700), (12017, 18200), (12200, 17927), (12805, 17080), (13790, 15860)]