28438130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{8291}}^1$

素因数の和:8319

約数の個数: 32

約数和(自身を含む): 59702400

約数和(自身を除く): 31264270

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8291, 16582, 41455, 58037, 82910, 116074, 290185, 406259, 580370, 812518, 2031295, 2843813, 4062590, 5687626, 14219065, 28438130]

約数ペア:

[(1, 28438130), (2, 14219065), (5, 5687626), (7, 4062590), (10, 2843813), (14, 2031295), (35, 812518), (49, 580370), (70, 406259), (98, 290185), (245, 116074), (343, 82910), (490, 58037), (686, 41455), (1715, 16582), (3430, 8291)]