76490920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 188749440

約数和(自身を除く): 112258520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 661, 1052, 1315, 1322, 2104, 2630, 2644, 2893, 3305, 5260, 5288, 5786, 6610, 7271, 10520, 11572, 13220, 14465, 14542, 23144, 26440, 28930, 29084, 36355, 57860, 58168, 72710, 115720, 145420, 173843, 290840, 347686, 695372, 869215, 1390744, 1738430, 1912273, 3476860, 3824546, 6953720, 7649092, 9561365, 15298184, 19122730, 38245460, 76490920]

約数ペア:

[(1, 76490920), (2, 38245460), (4, 19122730), (5, 15298184), (8, 9561365), (10, 7649092), (11, 6953720), (20, 3824546), (22, 3476860), (40, 1912273), (44, 1738430), (55, 1390744), (88, 869215), (110, 695372), (220, 347686), (263, 290840), (440, 173843), (526, 145420), (661, 115720), (1052, 72710), (1315, 58168), (1322, 57860), (2104, 36355), (2630, 29084), (2644, 28930), (2893, 26440), (3305, 23144), (5260, 14542), (5288, 14465), (5786, 13220), (6610, 11572), (7271, 10520)]