217877030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{63521}}^1$

素因数の和:63549

約数の個数: 32

約数和(自身を含む): 457358400

約数和(自身を除く): 239481370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 63521, 127042, 317605, 444647, 635210, 889294, 2223235, 3112529, 4446470, 6225058, 15562645, 21787703, 31125290, 43575406, 108938515, 217877030]

約数ペア:

[(1, 217877030), (2, 108938515), (5, 43575406), (7, 31125290), (10, 21787703), (14, 15562645), (35, 6225058), (49, 4446470), (70, 3112529), (98, 2223235), (245, 889294), (343, 635210), (490, 444647), (686, 317605), (1715, 127042), (3430, 63521)]