390180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 1249920

約数和(自身を除く): 859740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 929, 1858, 2787, 3716, 4645, 5574, 6503, 9290, 11148, 13006, 13935, 18580, 19509, 26012, 27870, 32515, 39018, 55740, 65030, 78036, 97545, 130060, 195090, 390180]

約数ペア:

[(1, 390180), (2, 195090), (3, 130060), (4, 97545), (5, 78036), (6, 65030), (7, 55740), (10, 39018), (12, 32515), (14, 27870), (15, 26012), (20, 19509), (21, 18580), (28, 13935), (30, 13006), (35, 11148), (42, 9290), (60, 6503), (70, 5574), (84, 4645), (105, 3716), (140, 2787), (210, 1858), (420, 929)]