199974440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{46723}}^1$

素因数の和:46841

約数の個数: 32

約数和(自身を含む): 454157280

約数和(自身を除く): 254182840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 46723, 93446, 186892, 233615, 373784, 467230, 934460, 1868920, 4999361, 9998722, 19997444, 24996805, 39994888, 49993610, 99987220, 199974440]

約数ペア:

[(1, 199974440), (2, 99987220), (4, 49993610), (5, 39994888), (8, 24996805), (10, 19997444), (20, 9998722), (40, 4999361), (107, 1868920), (214, 934460), (428, 467230), (535, 373784), (856, 233615), (1070, 186892), (2140, 93446), (4280, 46723)]