1288792010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{30119}}^1$

素因数の和:30526

約数の個数: 32

約数和(自身を含む): 2537308800

約数和(自身を除く): 1248516790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 8558, 21395, 30119, 42790, 60238, 150595, 301190, 331309, 662618, 1656545, 3313090, 11716291, 23432582, 58581455, 117162910, 128879201, 257758402, 644396005, 1288792010]

約数ペア:

[(1, 1288792010), (2, 644396005), (5, 257758402), (10, 128879201), (11, 117162910), (22, 58581455), (55, 23432582), (110, 11716291), (389, 3313090), (778, 1656545), (1945, 662618), (3890, 331309), (4279, 301190), (8558, 150595), (21395, 60238), (30119, 42790)]