201606580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205721}}^1$

素因数の和:205744

約数の個数: 36

約数和(自身を含む): 492498468

約数和(自身を除く): 290891888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205721, 411442, 822884, 1028605, 1440047, 2057210, 2880094, 4114420, 5760188, 7200235, 10080329, 14400470, 20160658, 28800940, 40321316, 50401645, 100803290, 201606580]

約数ペア:

[(1, 201606580), (2, 100803290), (4, 50401645), (5, 40321316), (7, 28800940), (10, 20160658), (14, 14400470), (20, 10080329), (28, 7200235), (35, 5760188), (49, 4114420), (70, 2880094), (98, 2057210), (140, 1440047), (196, 1028605), (245, 822884), (490, 411442), (980, 205721)]