209250440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{747323}}^1$

素因数の和:747341

約数の個数: 32

約数和(自身を含む): 538073280

約数和(自身を除く): 328822840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 747323, 1494646, 2989292, 3736615, 5231261, 5978584, 7473230, 10462522, 14946460, 20925044, 26156305, 29892920, 41850088, 52312610, 104625220, 209250440]

約数ペア:

[(1, 209250440), (2, 104625220), (4, 52312610), (5, 41850088), (7, 29892920), (8, 26156305), (10, 20925044), (14, 14946460), (20, 10462522), (28, 7473230), (35, 5978584), (40, 5231261), (56, 3736615), (70, 2989292), (140, 1494646), (280, 747323)]