290905730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{1787}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 533481984

約数和(自身を除く): 242576254

約数列:

[1, 2, 5, 10, 73, 146, 223, 365, 446, 730, 1115, 1787, 2230, 3574, 8935, 16279, 17870, 32558, 81395, 130451, 162790, 260902, 398501, 652255, 797002, 1304510, 1992505, 3985010, 29090573, 58181146, 145452865, 290905730]

約数ペア:

[(1, 290905730), (2, 145452865), (5, 58181146), (10, 29090573), (73, 3985010), (146, 1992505), (223, 1304510), (365, 797002), (446, 652255), (730, 398501), (1115, 260902), (1787, 162790), (2230, 130451), (3574, 81395), (8935, 32558), (16279, 17870)]