81831050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 183202560

約数和(自身を除く): 101371510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 71, 74, 89, 142, 175, 178, 185, 259, 350, 355, 370, 445, 497, 518, 623, 710, 890, 925, 994, 1246, 1295, 1775, 1850, 2225, 2485, 2590, 2627, 3115, 3293, 3550, 4450, 4970, 5254, 6230, 6319, 6475, 6586, 12425, 12638, 12950, 13135, 15575, 16465, 18389, 23051, 24850, 26270, 31150, 31595, 32930, 36778, 44233, 46102, 63190, 65675, 82325, 88466, 91945, 115255, 131350, 157975, 164650, 183890, 221165, 230510, 233803, 315950, 442330, 459725, 467606, 576275, 919450, 1105825, 1152550, 1169015, 1636621, 2211650, 2338030, 3273242, 5845075, 8183105, 11690150, 16366210, 40915525, 81831050]

約数ペア:

[(1, 81831050), (2, 40915525), (5, 16366210), (7, 11690150), (10, 8183105), (14, 5845075), (25, 3273242), (35, 2338030), (37, 2211650), (50, 1636621), (70, 1169015), (71, 1152550), (74, 1105825), (89, 919450), (142, 576275), (175, 467606), (178, 459725), (185, 442330), (259, 315950), (350, 233803), (355, 230510), (370, 221165), (445, 183890), (497, 164650), (518, 157975), (623, 131350), (710, 115255), (890, 91945), (925, 88466), (994, 82325), (1246, 65675), (1295, 63190), (1775, 46102), (1850, 44233), (2225, 36778), (2485, 32930), (2590, 31595), (2627, 31150), (3115, 26270), (3293, 24850), (3550, 23051), (4450, 18389), (4970, 16465), (5254, 15575), (6230, 13135), (6319, 12950), (6475, 12638), (6586, 12425)]