99978340

素因数分解:

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

素因数の和:64948

約数の個数: 48

約数和(自身を含む): 261765504

約数和(自身を除く): 161787164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 64921, 129842, 259684, 324605, 454447, 649210, 714131, 908894, 1298420, 1428262, 1817788, 2272235, 2856524, 3570655, 4544470, 4998917, 7141310, 9088940, 9997834, 14282620, 19995668, 24994585, 49989170, 99978340]

約数ペア:

[(1, 99978340), (2, 49989170), (4, 24994585), (5, 19995668), (7, 14282620), (10, 9997834), (11, 9088940), (14, 7141310), (20, 4998917), (22, 4544470), (28, 3570655), (35, 2856524), (44, 2272235), (55, 1817788), (70, 1428262), (77, 1298420), (110, 908894), (140, 714131), (154, 649210), (220, 454447), (308, 324605), (385, 259684), (770, 129842), (1540, 64921)]