28864780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206177}}^1$

素因数の和:206193

約数の個数: 24

約数和(自身を含む): 69275808

約数和(自身を除く): 40411028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206177, 412354, 824708, 1030885, 1443239, 2061770, 2886478, 4123540, 5772956, 7216195, 14432390, 28864780]

約数ペア:

[(1, 28864780), (2, 14432390), (4, 7216195), (5, 5772956), (7, 4123540), (10, 2886478), (14, 2061770), (20, 1443239), (28, 1030885), (35, 824708), (70, 412354), (140, 206177)]