28624820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29209}}^1$

素因数の和:29232

約数の個数: 36

約数和(自身を含む): 69928740

約数和(自身を除く): 41303920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29209, 58418, 116836, 146045, 204463, 292090, 408926, 584180, 817852, 1022315, 1431241, 2044630, 2862482, 4089260, 5724964, 7156205, 14312410, 28624820]

約数ペア:

[(1, 28624820), (2, 14312410), (4, 7156205), (5, 5724964), (7, 4089260), (10, 2862482), (14, 2044630), (20, 1431241), (28, 1022315), (35, 817852), (49, 584180), (70, 408926), (98, 292090), (140, 204463), (196, 146045), (245, 116836), (490, 58418), (980, 29209)]