20150900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2617}}^1$

素因数の和:2649

約数の個数: 72

約数和(自身を含む): 54538176

約数和(自身を除く): 34387276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2617, 3850, 5234, 7700, 10468, 13085, 18319, 26170, 28787, 36638, 52340, 57574, 65425, 73276, 91595, 115148, 130850, 143935, 183190, 201509, 261700, 287870, 366380, 403018, 457975, 575740, 719675, 806036, 915950, 1007545, 1439350, 1831900, 2015090, 2878700, 4030180, 5037725, 10075450, 20150900]

約数ペア:

[(1, 20150900), (2, 10075450), (4, 5037725), (5, 4030180), (7, 2878700), (10, 2015090), (11, 1831900), (14, 1439350), (20, 1007545), (22, 915950), (25, 806036), (28, 719675), (35, 575740), (44, 457975), (50, 403018), (55, 366380), (70, 287870), (77, 261700), (100, 201509), (110, 183190), (140, 143935), (154, 130850), (175, 115148), (220, 91595), (275, 73276), (308, 65425), (350, 57574), (385, 52340), (550, 36638), (700, 28787), (770, 26170), (1100, 18319), (1540, 13085), (1925, 10468), (2617, 7700), (3850, 5234)]