521027290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{151903}}^1$

素因数の和:151931

約数の個数: 32

約数和(自身を含む): 1093708800

約数和(自身を除く): 572681510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 151903, 303806, 759515, 1063321, 1519030, 2126642, 5316605, 7443247, 10633210, 14886494, 37216235, 52102729, 74432470, 104205458, 260513645, 521027290]

約数ペア:

[(1, 521027290), (2, 260513645), (5, 104205458), (7, 74432470), (10, 52102729), (14, 37216235), (35, 14886494), (49, 10633210), (70, 7443247), (98, 5316605), (245, 2126642), (343, 1519030), (490, 1063321), (686, 759515), (1715, 303806), (3430, 151903)]