55291250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 80

約数和(自身を含む): 121461120

約数和(自身を除く): 66169870

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 89, 125, 142, 175, 178, 250, 350, 355, 445, 497, 623, 625, 710, 875, 890, 994, 1246, 1250, 1750, 1775, 2225, 2485, 3115, 3550, 4375, 4450, 4970, 6230, 6319, 8750, 8875, 11125, 12425, 12638, 15575, 17750, 22250, 24850, 31150, 31595, 44233, 44375, 55625, 62125, 63190, 77875, 88466, 88750, 111250, 124250, 155750, 157975, 221165, 310625, 315950, 389375, 442330, 621250, 778750, 789875, 1105825, 1579750, 2211650, 3949375, 5529125, 7898750, 11058250, 27645625, 55291250]

約数ペア:

[(1, 55291250), (2, 27645625), (5, 11058250), (7, 7898750), (10, 5529125), (14, 3949375), (25, 2211650), (35, 1579750), (50, 1105825), (70, 789875), (71, 778750), (89, 621250), (125, 442330), (142, 389375), (175, 315950), (178, 310625), (250, 221165), (350, 157975), (355, 155750), (445, 124250), (497, 111250), (623, 88750), (625, 88466), (710, 77875), (875, 63190), (890, 62125), (994, 55625), (1246, 44375), (1250, 44233), (1750, 31595), (1775, 31150), (2225, 24850), (2485, 22250), (3115, 17750), (3550, 15575), (4375, 12638), (4450, 12425), (4970, 11125), (6230, 8875), (6319, 8750)]