12400360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 32411520

約数和(自身を除く): 20011160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 661, 670, 938, 1322, 1340, 1876, 2345, 2644, 2680, 3305, 3752, 4627, 4690, 5288, 6610, 9254, 9380, 13220, 18508, 18760, 23135, 26440, 37016, 44287, 46270, 88574, 92540, 177148, 185080, 221435, 310009, 354296, 442870, 620018, 885740, 1240036, 1550045, 1771480, 2480072, 3100090, 6200180, 12400360]

約数ペア:

[(1, 12400360), (2, 6200180), (4, 3100090), (5, 2480072), (7, 1771480), (8, 1550045), (10, 1240036), (14, 885740), (20, 620018), (28, 442870), (35, 354296), (40, 310009), (56, 221435), (67, 185080), (70, 177148), (134, 92540), (140, 88574), (268, 46270), (280, 44287), (335, 37016), (469, 26440), (536, 23135), (661, 18760), (670, 18508), (938, 13220), (1322, 9380), (1340, 9254), (1876, 6610), (2345, 5288), (2644, 4690), (2680, 4627), (3305, 3752)]