78706540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1031}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 181004544

約数和(自身を除く): 102298004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1031, 1388, 1735, 2062, 3470, 3817, 4124, 5155, 6940, 7634, 10310, 11341, 15268, 19085, 20620, 22682, 38170, 45364, 56705, 76340, 113410, 226820, 357757, 715514, 1431028, 1788785, 3577570, 3935327, 7155140, 7870654, 15741308, 19676635, 39353270, 78706540]

約数ペア:

[(1, 78706540), (2, 39353270), (4, 19676635), (5, 15741308), (10, 7870654), (11, 7155140), (20, 3935327), (22, 3577570), (44, 1788785), (55, 1431028), (110, 715514), (220, 357757), (347, 226820), (694, 113410), (1031, 76340), (1388, 56705), (1735, 45364), (2062, 38170), (3470, 22682), (3817, 20620), (4124, 19085), (5155, 15268), (6940, 11341), (7634, 10310)]