205654000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 120

約数和(自身を含む): 518631984

約数和(自身を除く): 312977984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 107, 124, 125, 155, 200, 214, 248, 250, 310, 400, 428, 496, 500, 535, 620, 775, 856, 961, 1000, 1070, 1240, 1550, 1712, 1922, 2000, 2140, 2480, 2675, 3100, 3317, 3844, 3875, 4280, 4805, 5350, 6200, 6634, 7688, 7750, 8560, 9610, 10700, 12400, 13268, 13375, 15376, 15500, 16585, 19220, 21400, 24025, 26536, 26750, 31000, 33170, 38440, 42800, 48050, 53072, 53500, 62000, 66340, 76880, 82925, 96100, 102827, 107000, 120125, 132680, 165850, 192200, 205654, 214000, 240250, 265360, 331700, 384400, 411308, 414625, 480500, 514135, 663400, 822616, 829250, 961000, 1028270, 1326800, 1645232, 1658500, 1922000, 2056540, 2570675, 3317000, 4113080, 5141350, 6634000, 8226160, 10282700, 12853375, 20565400, 25706750, 41130800, 51413500, 102827000, 205654000]

約数ペア:

[(1, 205654000), (2, 102827000), (4, 51413500), (5, 41130800), (8, 25706750), (10, 20565400), (16, 12853375), (20, 10282700), (25, 8226160), (31, 6634000), (40, 5141350), (50, 4113080), (62, 3317000), (80, 2570675), (100, 2056540), (107, 1922000), (124, 1658500), (125, 1645232), (155, 1326800), (200, 1028270), (214, 961000), (248, 829250), (250, 822616), (310, 663400), (400, 514135), (428, 480500), (496, 414625), (500, 411308), (535, 384400), (620, 331700), (775, 265360), (856, 240250), (961, 214000), (1000, 205654), (1070, 192200), (1240, 165850), (1550, 132680), (1712, 120125), (1922, 107000), (2000, 102827), (2140, 96100), (2480, 82925), (2675, 76880), (3100, 66340), (3317, 62000), (3844, 53500), (3875, 53072), (4280, 48050), (4805, 42800), (5350, 38440), (6200, 33170), (6634, 31000), (7688, 26750), (7750, 26536), (8560, 24025), (9610, 21400), (10700, 19220), (12400, 16585), (13268, 15500), (13375, 15376)]