27405980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10303}}^1$

素因数の和:10338

約数の個数: 48

約数和(自身を含む): 69242880

約数和(自身を除く): 41836900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10303, 20606, 41212, 51515, 72121, 103030, 144242, 195757, 206060, 288484, 360605, 391514, 721210, 783028, 978785, 1370299, 1442420, 1957570, 2740598, 3915140, 5481196, 6851495, 13702990, 27405980]

約数ペア:

[(1, 27405980), (2, 13702990), (4, 6851495), (5, 5481196), (7, 3915140), (10, 2740598), (14, 1957570), (19, 1442420), (20, 1370299), (28, 978785), (35, 783028), (38, 721210), (70, 391514), (76, 360605), (95, 288484), (133, 206060), (140, 195757), (190, 144242), (266, 103030), (380, 72121), (532, 51515), (665, 41212), (1330, 20606), (2660, 10303)]