207290440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{740323}}^1$

素因数の和:740341

約数の個数: 32

約数和(自身を含む): 533033280

約数和(自身を除く): 325742840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 740323, 1480646, 2961292, 3701615, 5182261, 5922584, 7403230, 10364522, 14806460, 20729044, 25911305, 29612920, 41458088, 51822610, 103645220, 207290440]

約数ペア:

[(1, 207290440), (2, 103645220), (4, 51822610), (5, 41458088), (7, 29612920), (8, 25911305), (10, 20729044), (14, 14806460), (20, 10364522), (28, 7403230), (35, 5922584), (40, 5182261), (56, 3701615), (70, 2961292), (140, 1480646), (280, 740323)]