216440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{773}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 557280

約数和(自身を除く): 340840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 773, 1546, 3092, 3865, 5411, 6184, 7730, 10822, 15460, 21644, 27055, 30920, 43288, 54110, 108220, 216440]

約数ペア:

[(1, 216440), (2, 108220), (4, 54110), (5, 43288), (7, 30920), (8, 27055), (10, 21644), (14, 15460), (20, 10822), (28, 7730), (35, 6184), (40, 5411), (56, 3865), (70, 3092), (140, 1546), (280, 773)]