69860840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249503}}^1$

素因数の和:249521

約数の個数: 32

約数和(自身を含む): 179642880

約数和(自身を除く): 109782040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249503, 499006, 998012, 1247515, 1746521, 1996024, 2495030, 3493042, 4990060, 6986084, 8732605, 9980120, 13972168, 17465210, 34930420, 69860840]

約数ペア:

[(1, 69860840), (2, 34930420), (4, 17465210), (5, 13972168), (7, 9980120), (8, 8732605), (10, 6986084), (14, 4990060), (20, 3493042), (28, 2495030), (35, 1996024), (40, 1746521), (56, 1247515), (70, 998012), (140, 499006), (280, 249503)]