210022820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{214309}}^1$

素因数の和:214332

約数の個数: 36

約数和(自身を含む): 513058140

約数和(自身を除く): 303035320

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 214309, 428618, 857236, 1071545, 1500163, 2143090, 3000326, 4286180, 6000652, 7500815, 10501141, 15001630, 21002282, 30003260, 42004564, 52505705, 105011410, 210022820]

約数ペア:

[(1, 210022820), (2, 105011410), (4, 52505705), (5, 42004564), (7, 30003260), (10, 21002282), (14, 15001630), (20, 10501141), (28, 7500815), (35, 6000652), (49, 4286180), (70, 3000326), (98, 2143090), (140, 1500163), (196, 1071545), (245, 857236), (490, 428618), (980, 214309)]