713604980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{18121}}^1$

素因数の和:18320

約数の個数: 48

約数和(自身を含む): 1644027840

約数和(自身を除く): 930422860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 18121, 19690, 36242, 39380, 72484, 90605, 181210, 199331, 362420, 398662, 797324, 996655, 1993310, 3243659, 3986620, 6487318, 12974636, 16218295, 32436590, 35680249, 64873180, 71360498, 142720996, 178401245, 356802490, 713604980]

約数ペア:

[(1, 713604980), (2, 356802490), (4, 178401245), (5, 142720996), (10, 71360498), (11, 64873180), (20, 35680249), (22, 32436590), (44, 16218295), (55, 12974636), (110, 6487318), (179, 3986620), (220, 3243659), (358, 1993310), (716, 996655), (895, 797324), (1790, 398662), (1969, 362420), (3580, 199331), (3938, 181210), (7876, 90605), (9845, 72484), (18121, 39380), (19690, 36242)]