17261020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 24510500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 887, 973, 1390, 1774, 1946, 2780, 3548, 3892, 4435, 4865, 6209, 8870, 9730, 12418, 17740, 19460, 24836, 31045, 62090, 123293, 124180, 246586, 493172, 616465, 863051, 1232930, 1726102, 2465860, 3452204, 4315255, 8630510, 17261020]

約数ペア:

[(1, 17261020), (2, 8630510), (4, 4315255), (5, 3452204), (7, 2465860), (10, 1726102), (14, 1232930), (20, 863051), (28, 616465), (35, 493172), (70, 246586), (139, 124180), (140, 123293), (278, 62090), (556, 31045), (695, 24836), (887, 19460), (973, 17740), (1390, 12418), (1774, 9730), (1946, 8870), (2780, 6209), (3548, 4865), (3892, 4435)]