179440660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9221}}^1$

素因数の和:9376

約数の個数: 48

約数和(自身を含む): 433802880

約数和(自身を除く): 254362220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9221, 9730, 18442, 19460, 36884, 46105, 64547, 92210, 129094, 184420, 258188, 322735, 645470, 1281719, 1290940, 2563438, 5126876, 6408595, 8972033, 12817190, 17944066, 25634380, 35888132, 44860165, 89720330, 179440660]

約数ペア:

[(1, 179440660), (2, 89720330), (4, 44860165), (5, 35888132), (7, 25634380), (10, 17944066), (14, 12817190), (20, 8972033), (28, 6408595), (35, 5126876), (70, 2563438), (139, 1290940), (140, 1281719), (278, 645470), (556, 322735), (695, 258188), (973, 184420), (1390, 129094), (1946, 92210), (2780, 64547), (3892, 46105), (4865, 36884), (9221, 19460), (9730, 18442)]