28260260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28837}}^1$

素因数の和:28860

約数の個数: 36

約数和(自身を含む): 69038172

約数和(自身を除く): 40777912

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28837, 57674, 115348, 144185, 201859, 288370, 403718, 576740, 807436, 1009295, 1413013, 2018590, 2826026, 4037180, 5652052, 7065065, 14130130, 28260260]

約数ペア:

[(1, 28260260), (2, 14130130), (4, 7065065), (5, 5652052), (7, 4037180), (10, 2826026), (14, 2018590), (20, 1413013), (28, 1009295), (35, 807436), (49, 576740), (70, 403718), (98, 288370), (140, 201859), (196, 144185), (245, 115348), (490, 57674), (980, 28837)]