78326380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{811}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 180069120

約数和(自身を除く): 101742740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 811, 878, 1622, 1756, 2195, 3244, 4055, 4390, 4829, 8110, 8780, 8921, 9658, 16220, 17842, 19316, 24145, 35684, 44605, 48290, 89210, 96580, 178420, 356029, 712058, 1424116, 1780145, 3560290, 3916319, 7120580, 7832638, 15665276, 19581595, 39163190, 78326380]

約数ペア:

[(1, 78326380), (2, 39163190), (4, 19581595), (5, 15665276), (10, 7832638), (11, 7120580), (20, 3916319), (22, 3560290), (44, 1780145), (55, 1424116), (110, 712058), (220, 356029), (439, 178420), (811, 96580), (878, 89210), (1622, 48290), (1756, 44605), (2195, 35684), (3244, 24145), (4055, 19316), (4390, 17842), (4829, 16220), (8110, 9658), (8780, 8921)]