211066940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1823}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 507451392

約数和(自身を除く): 296384452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 827, 1654, 1823, 3308, 3646, 4135, 5789, 7292, 8270, 9115, 11578, 12761, 16540, 18230, 23156, 25522, 28945, 36460, 51044, 57890, 63805, 115780, 127610, 255220, 1507621, 3015242, 6030484, 7538105, 10553347, 15076210, 21106694, 30152420, 42213388, 52766735, 105533470, 211066940]

約数ペア:

[(1, 211066940), (2, 105533470), (4, 52766735), (5, 42213388), (7, 30152420), (10, 21106694), (14, 15076210), (20, 10553347), (28, 7538105), (35, 6030484), (70, 3015242), (140, 1507621), (827, 255220), (1654, 127610), (1823, 115780), (3308, 63805), (3646, 57890), (4135, 51044), (5789, 36460), (7292, 28945), (8270, 25522), (9115, 23156), (11578, 18230), (12761, 16540)]