78545180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1217}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 189072576

約数和(自身を除く): 110527396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1217, 1844, 2305, 2434, 3227, 4610, 4868, 6085, 6454, 8519, 9220, 12170, 12908, 16135, 17038, 24340, 32270, 34076, 42595, 64540, 85190, 170380, 561037, 1122074, 2244148, 2805185, 3927259, 5610370, 7854518, 11220740, 15709036, 19636295, 39272590, 78545180]

約数ペア:

[(1, 78545180), (2, 39272590), (4, 19636295), (5, 15709036), (7, 11220740), (10, 7854518), (14, 5610370), (20, 3927259), (28, 2805185), (35, 2244148), (70, 1122074), (140, 561037), (461, 170380), (922, 85190), (1217, 64540), (1844, 42595), (2305, 34076), (2434, 32270), (3227, 24340), (4610, 17038), (4868, 16135), (6085, 12908), (6454, 12170), (8519, 9220)]