338733440

素因数分解:

$2^7\times 5^1\times {\mathrm{529271}}^1$

素因数の和:529290

約数の個数: 32

約数和(自身を含む): 809786160

約数和(自身を除く): 471052720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 529271, 1058542, 2117084, 2646355, 4234168, 5292710, 8468336, 10585420, 16936672, 21170840, 33873344, 42341680, 67746688, 84683360, 169366720, 338733440]

約数ペア:

[(1, 338733440), (2, 169366720), (4, 84683360), (5, 67746688), (8, 42341680), (10, 33873344), (16, 21170840), (20, 16936672), (32, 10585420), (40, 8468336), (64, 5292710), (80, 4234168), (128, 2646355), (160, 2117084), (320, 1058542), (640, 529271)]