51012500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 141740928

約数和(自身を除く): 90728428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 53, 55, 70, 77, 100, 106, 110, 125, 140, 154, 175, 212, 220, 250, 265, 275, 308, 350, 371, 385, 500, 530, 550, 583, 625, 700, 742, 770, 875, 1060, 1100, 1166, 1250, 1325, 1375, 1484, 1540, 1750, 1855, 1925, 2332, 2500, 2650, 2750, 2915, 3125, 3500, 3710, 3850, 4081, 4375, 5300, 5500, 5830, 6250, 6625, 6875, 7420, 7700, 8162, 8750, 9275, 9625, 11660, 12500, 13250, 13750, 14575, 16324, 17500, 18550, 19250, 20405, 21875, 26500, 27500, 29150, 33125, 34375, 37100, 38500, 40810, 43750, 46375, 48125, 58300, 66250, 68750, 72875, 81620, 87500, 92750, 96250, 102025, 132500, 137500, 145750, 165625, 185500, 192500, 204050, 231875, 240625, 291500, 331250, 364375, 408100, 463750, 481250, 510125, 662500, 728750, 927500, 962500, 1020250, 1159375, 1457500, 1821875, 2040500, 2318750, 2550625, 3643750, 4637500, 5101250, 7287500, 10202500, 12753125, 25506250, 51012500]

約数ペア:

[(1, 51012500), (2, 25506250), (4, 12753125), (5, 10202500), (7, 7287500), (10, 5101250), (11, 4637500), (14, 3643750), (20, 2550625), (22, 2318750), (25, 2040500), (28, 1821875), (35, 1457500), (44, 1159375), (50, 1020250), (53, 962500), (55, 927500), (70, 728750), (77, 662500), (100, 510125), (106, 481250), (110, 463750), (125, 408100), (140, 364375), (154, 331250), (175, 291500), (212, 240625), (220, 231875), (250, 204050), (265, 192500), (275, 185500), (308, 165625), (350, 145750), (371, 137500), (385, 132500), (500, 102025), (530, 96250), (550, 92750), (583, 87500), (625, 81620), (700, 72875), (742, 68750), (770, 66250), (875, 58300), (1060, 48125), (1100, 46375), (1166, 43750), (1250, 40810), (1325, 38500), (1375, 37100), (1484, 34375), (1540, 33125), (1750, 29150), (1855, 27500), (1925, 26500), (2332, 21875), (2500, 20405), (2650, 19250), (2750, 18550), (2915, 17500), (3125, 16324), (3500, 14575), (3710, 13750), (3850, 13250), (4081, 12500), (4375, 11660), (5300, 9625), (5500, 9275), (5830, 8750), (6250, 8162), (6625, 7700), (6875, 7420)]