664019180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{4019}}^1$

素因数の和:4790

約数の個数: 48

約数和(自身を含む): 1523612160

約数和(自身を除く): 859592980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 751, 1502, 3004, 3755, 4019, 7510, 8038, 8261, 15020, 16076, 16522, 20095, 33044, 40190, 41305, 44209, 80380, 82610, 88418, 165220, 176836, 221045, 442090, 884180, 3018269, 6036538, 12073076, 15091345, 30182690, 33200959, 60365380, 66401918, 132803836, 166004795, 332009590, 664019180]

約数ペア:

[(1, 664019180), (2, 332009590), (4, 166004795), (5, 132803836), (10, 66401918), (11, 60365380), (20, 33200959), (22, 30182690), (44, 15091345), (55, 12073076), (110, 6036538), (220, 3018269), (751, 884180), (1502, 442090), (3004, 221045), (3755, 176836), (4019, 165220), (7510, 88418), (8038, 82610), (8261, 80380), (15020, 44209), (16076, 41305), (16522, 40190), (20095, 33044)]