1804880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 5249664

約数和(自身を除く): 3444784

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 293, 308, 385, 440, 560, 586, 616, 770, 880, 1172, 1232, 1465, 1540, 2051, 2344, 2930, 3080, 3223, 4102, 4688, 5860, 6160, 6446, 8204, 10255, 11720, 12892, 16115, 16408, 20510, 22561, 23440, 25784, 32230, 32816, 41020, 45122, 51568, 64460, 82040, 90244, 112805, 128920, 164080, 180488, 225610, 257840, 360976, 451220, 902440, 1804880]

約数ペア:

[(1, 1804880), (2, 902440), (4, 451220), (5, 360976), (7, 257840), (8, 225610), (10, 180488), (11, 164080), (14, 128920), (16, 112805), (20, 90244), (22, 82040), (28, 64460), (35, 51568), (40, 45122), (44, 41020), (55, 32816), (56, 32230), (70, 25784), (77, 23440), (80, 22561), (88, 20510), (110, 16408), (112, 16115), (140, 12892), (154, 11720), (176, 10255), (220, 8204), (280, 6446), (293, 6160), (308, 5860), (385, 4688), (440, 4102), (560, 3223), (586, 3080), (616, 2930), (770, 2344), (880, 2051), (1172, 1540), (1232, 1465)]