199956680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64921}}^1$

素因数の和:64950

約数の個数: 64

約数和(自身を含む): 560926080

約数和(自身を除く): 360969400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 64921, 129842, 259684, 324605, 454447, 519368, 649210, 714131, 908894, 1298420, 1428262, 1817788, 2272235, 2596840, 2856524, 3570655, 3635576, 4544470, 4998917, 5713048, 7141310, 9088940, 9997834, 14282620, 18177880, 19995668, 24994585, 28565240, 39991336, 49989170, 99978340, 199956680]

約数ペア:

[(1, 199956680), (2, 99978340), (4, 49989170), (5, 39991336), (7, 28565240), (8, 24994585), (10, 19995668), (11, 18177880), (14, 14282620), (20, 9997834), (22, 9088940), (28, 7141310), (35, 5713048), (40, 4998917), (44, 4544470), (55, 3635576), (56, 3570655), (70, 2856524), (77, 2596840), (88, 2272235), (110, 1817788), (140, 1428262), (154, 1298420), (220, 908894), (280, 714131), (308, 649210), (385, 519368), (440, 454447), (616, 324605), (770, 259684), (1540, 129842), (3080, 64921)]