1942640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3469}}^1$

素因数の和:3489

約数の個数: 40

約数和(自身を含む): 5163360

約数和(自身を除く): 3220720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3469, 6938, 13876, 17345, 24283, 27752, 34690, 48566, 55504, 69380, 97132, 121415, 138760, 194264, 242830, 277520, 388528, 485660, 971320, 1942640]

約数ペア:

[(1, 1942640), (2, 971320), (4, 485660), (5, 388528), (7, 277520), (8, 242830), (10, 194264), (14, 138760), (16, 121415), (20, 97132), (28, 69380), (35, 55504), (40, 48566), (56, 34690), (70, 27752), (80, 24283), (112, 17345), (140, 13876), (280, 6938), (560, 3469)]