70776940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 161314272

約数和(自身を除く): 90537332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 1987, 2740, 3562, 3974, 7124, 7948, 8905, 9935, 17810, 19870, 25831, 35620, 39740, 51662, 103324, 129155, 258310, 272219, 516620, 544438, 1088876, 1361095, 2722190, 3538847, 5444380, 7077694, 14155388, 17694235, 35388470, 70776940]

約数ペア:

[(1, 70776940), (2, 35388470), (4, 17694235), (5, 14155388), (10, 7077694), (13, 5444380), (20, 3538847), (26, 2722190), (52, 1361095), (65, 1088876), (130, 544438), (137, 516620), (260, 272219), (274, 258310), (548, 129155), (685, 103324), (1370, 51662), (1781, 39740), (1987, 35620), (2740, 25831), (3562, 19870), (3974, 17810), (7124, 9935), (7948, 8905)]