1999728710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4081079}}^1$

素因数の和:4081100

約数の個数: 24

約数和(自身を含む): 4187188080

約数和(自身を除く): 2187459370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4081079, 8162158, 20405395, 28567553, 40810790, 57135106, 142837765, 199972871, 285675530, 399945742, 999864355, 1999728710]

約数ペア:

[(1, 1999728710), (2, 999864355), (5, 399945742), (7, 285675530), (10, 199972871), (14, 142837765), (35, 57135106), (49, 40810790), (70, 28567553), (98, 20405395), (245, 8162158), (490, 4081079)]