315070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{643}}^1$

素因数の和:664

約数の個数: 24

約数和(自身を含む): 660744

約数和(自身を除く): 345674

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 643, 1286, 3215, 4501, 6430, 9002, 22505, 31507, 45010, 63014, 157535, 315070]

約数ペア:

[(1, 315070), (2, 157535), (5, 63014), (7, 45010), (10, 31507), (14, 22505), (35, 9002), (49, 6430), (70, 4501), (98, 3215), (245, 1286), (490, 643)]