2790760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9967}}^1$

素因数の和:9985

約数の個数: 32

約数和(自身を含む): 7176960

約数和(自身を除く): 4386200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9967, 19934, 39868, 49835, 69769, 79736, 99670, 139538, 199340, 279076, 348845, 398680, 558152, 697690, 1395380, 2790760]

約数ペア:

[(1, 2790760), (2, 1395380), (4, 697690), (5, 558152), (7, 398680), (8, 348845), (10, 279076), (14, 199340), (20, 139538), (28, 99670), (35, 79736), (40, 69769), (56, 49835), (70, 39868), (140, 19934), (280, 9967)]