77428340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4957}}^1$

素因数の和:5048

約数の個数: 48

約数和(自身を含む): 179915904

約数和(自身を除く): 102487564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4957, 7810, 9914, 15620, 19828, 24785, 49570, 54527, 99140, 109054, 218108, 272635, 351947, 545270, 703894, 1090540, 1407788, 1759735, 3519470, 3871417, 7038940, 7742834, 15485668, 19357085, 38714170, 77428340]

約数ペア:

[(1, 77428340), (2, 38714170), (4, 19357085), (5, 15485668), (10, 7742834), (11, 7038940), (20, 3871417), (22, 3519470), (44, 1759735), (55, 1407788), (71, 1090540), (110, 703894), (142, 545270), (220, 351947), (284, 272635), (355, 218108), (710, 109054), (781, 99140), (1420, 54527), (1562, 49570), (3124, 24785), (3905, 19828), (4957, 15620), (7810, 9914)]