231766640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{413869}}^1$

素因数の和:413889

約数の個数: 40

約数和(自身を含む): 615838560

約数和(自身を除く): 384071920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 413869, 827738, 1655476, 2069345, 2897083, 3310952, 4138690, 5794166, 6621904, 8277380, 11588332, 14485415, 16554760, 23176664, 28970830, 33109520, 46353328, 57941660, 115883320, 231766640]

約数ペア:

[(1, 231766640), (2, 115883320), (4, 57941660), (5, 46353328), (7, 33109520), (8, 28970830), (10, 23176664), (14, 16554760), (16, 14485415), (20, 11588332), (28, 8277380), (35, 6621904), (40, 5794166), (56, 4138690), (70, 3310952), (80, 2897083), (112, 2069345), (140, 1655476), (280, 827738), (560, 413869)]