30208990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61651}}^1$

素因数の和:61672

約数の個数: 24

約数和(自身を含む): 63254952

約数和(自身を除く): 33045962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 61651, 123302, 308255, 431557, 616510, 863114, 2157785, 3020899, 4315570, 6041798, 15104495, 30208990]

約数ペア:

[(1, 30208990), (2, 15104495), (5, 6041798), (7, 4315570), (10, 3020899), (14, 2157785), (35, 863114), (49, 616510), (70, 431557), (98, 308255), (245, 123302), (490, 61651)]