285238030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{370439}}^1$

素因数の和:370464

約数の個数: 32

約数和(自身を含む): 640120320

約数和(自身を除く): 354882290

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 370439, 740878, 1852195, 2593073, 3704390, 4074829, 5186146, 8149658, 12965365, 20374145, 25930730, 28523803, 40748290, 57047606, 142619015, 285238030]

約数ペア:

[(1, 285238030), (2, 142619015), (5, 57047606), (7, 40748290), (10, 28523803), (11, 25930730), (14, 20374145), (22, 12965365), (35, 8149658), (55, 5186146), (70, 4074829), (77, 3704390), (110, 2593073), (154, 1852195), (385, 740878), (770, 370439)]