2785565720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:674

約数の個数: 192

約数和(自身を含む): 7607338560

約数和(自身を除く): 4821772840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 71, 74, 98, 140, 142, 148, 185, 196, 245, 259, 280, 284, 296, 355, 370, 392, 490, 497, 518, 541, 568, 710, 740, 980, 994, 1036, 1082, 1295, 1420, 1480, 1813, 1960, 1988, 2072, 2164, 2485, 2590, 2627, 2705, 2840, 3479, 3626, 3787, 3976, 4328, 4970, 5180, 5254, 5410, 6958, 7252, 7574, 9065, 9940, 10360, 10508, 10820, 13135, 13916, 14504, 15148, 17395, 18130, 18389, 18935, 19880, 20017, 21016, 21640, 26270, 26509, 27832, 30296, 34790, 36260, 36778, 37870, 38411, 40034, 52540, 53018, 69580, 72520, 73556, 75740, 76822, 80068, 91945, 100085, 105080, 106036, 128723, 132545, 139160, 140119, 147112, 151480, 153644, 160136, 183890, 192055, 200170, 212072, 257446, 265090, 268877, 280238, 307288, 367780, 384110, 400340, 514892, 530180, 537754, 560476, 643615, 700595, 735560, 768220, 800680, 980833, 1029784, 1060360, 1075508, 1120952, 1287230, 1344385, 1401190, 1421207, 1536440, 1882139, 1961666, 2151016, 2574460, 2688770, 2802380, 2842414, 3764278, 3923332, 4904165, 5148920, 5377540, 5604760, 5684828, 7106035, 7528556, 7846664, 9410695, 9808330, 9948449, 10755080, 11369656, 14212070, 15057112, 18821390, 19616660, 19896898, 28424140, 37642780, 39233320, 39793796, 49742245, 56848280, 69639143, 75285560, 79587592, 99484490, 139278286, 198968980, 278556572, 348195715, 397937960, 557113144, 696391430, 1392782860, 2785565720]

約数ペア:

[(1, 2785565720), (2, 1392782860), (4, 696391430), (5, 557113144), (7, 397937960), (8, 348195715), (10, 278556572), (14, 198968980), (20, 139278286), (28, 99484490), (35, 79587592), (37, 75285560), (40, 69639143), (49, 56848280), (56, 49742245), (70, 39793796), (71, 39233320), (74, 37642780), (98, 28424140), (140, 19896898), (142, 19616660), (148, 18821390), (185, 15057112), (196, 14212070), (245, 11369656), (259, 10755080), (280, 9948449), (284, 9808330), (296, 9410695), (355, 7846664), (370, 7528556), (392, 7106035), (490, 5684828), (497, 5604760), (518, 5377540), (541, 5148920), (568, 4904165), (710, 3923332), (740, 3764278), (980, 2842414), (994, 2802380), (1036, 2688770), (1082, 2574460), (1295, 2151016), (1420, 1961666), (1480, 1882139), (1813, 1536440), (1960, 1421207), (1988, 1401190), (2072, 1344385), (2164, 1287230), (2485, 1120952), (2590, 1075508), (2627, 1060360), (2705, 1029784), (2840, 980833), (3479, 800680), (3626, 768220), (3787, 735560), (3976, 700595), (4328, 643615), (4970, 560476), (5180, 537754), (5254, 530180), (5410, 514892), (6958, 400340), (7252, 384110), (7574, 367780), (9065, 307288), (9940, 280238), (10360, 268877), (10508, 265090), (10820, 257446), (13135, 212072), (13916, 200170), (14504, 192055), (15148, 183890), (17395, 160136), (18130, 153644), (18389, 151480), (18935, 147112), (19880, 140119), (20017, 139160), (21016, 132545), (21640, 128723), (26270, 106036), (26509, 105080), (27832, 100085), (30296, 91945), (34790, 80068), (36260, 76822), (36778, 75740), (37870, 73556), (38411, 72520), (40034, 69580), (52540, 53018)]