4787020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 11870208

約数和(自身を除く): 7083188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1103, 2170, 2206, 4340, 4412, 5515, 7721, 11030, 15442, 22060, 30884, 34193, 38605, 68386, 77210, 136772, 154420, 170965, 239351, 341930, 478702, 683860, 957404, 1196755, 2393510, 4787020]

約数ペア:

[(1, 4787020), (2, 2393510), (4, 1196755), (5, 957404), (7, 683860), (10, 478702), (14, 341930), (20, 239351), (28, 170965), (31, 154420), (35, 136772), (62, 77210), (70, 68386), (124, 38605), (140, 34193), (155, 30884), (217, 22060), (310, 15442), (434, 11030), (620, 7721), (868, 5515), (1085, 4412), (1103, 4340), (2170, 2206)]