313637440

素因数分解:

$2^6\times 5^1\times {\mathrm{980117}}^1$

素因数の和:980134

約数の個数: 28

約数和(自身を含む): 746849916

約数和(自身を除く): 433212476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 980117, 1960234, 3920468, 4900585, 7840936, 9801170, 15681872, 19602340, 31363744, 39204680, 62727488, 78409360, 156818720, 313637440]

約数ペア:

[(1, 313637440), (2, 156818720), (4, 78409360), (5, 62727488), (8, 39204680), (10, 31363744), (16, 19602340), (20, 15681872), (32, 9801170), (40, 7840936), (64, 4900585), (80, 3920468), (160, 1960234), (320, 980117)]