380888920

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{8273}}^1$

素因数の和:9435

約数の個数: 32

約数和(自身を含む): 857848320

約数和(自身を除く): 476959400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 4604, 5755, 8273, 9208, 11510, 16546, 23020, 33092, 41365, 46040, 66184, 82730, 165460, 330920, 9522223, 19044446, 38088892, 47611115, 76177784, 95222230, 190444460, 380888920]

約数ペア:

[(1, 380888920), (2, 190444460), (4, 95222230), (5, 76177784), (8, 47611115), (10, 38088892), (20, 19044446), (40, 9522223), (1151, 330920), (2302, 165460), (4604, 82730), (5755, 66184), (8273, 46040), (9208, 41365), (11510, 33092), (16546, 23020)]