140656850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 269018496

約数和(自身を除く): 128361646

約数列:

[1, 2, 5, 10, 25, 50, 61, 107, 122, 214, 305, 431, 535, 610, 862, 1070, 1525, 2155, 2675, 3050, 4310, 5350, 6527, 10775, 13054, 21550, 26291, 32635, 46117, 52582, 65270, 92234, 131455, 163175, 230585, 262910, 326350, 461170, 657275, 1152925, 1314550, 2305850, 2813137, 5626274, 14065685, 28131370, 70328425, 140656850]

約数ペア:

[(1, 140656850), (2, 70328425), (5, 28131370), (10, 14065685), (25, 5626274), (50, 2813137), (61, 2305850), (107, 1314550), (122, 1152925), (214, 657275), (305, 461170), (431, 326350), (535, 262910), (610, 230585), (862, 163175), (1070, 131455), (1525, 92234), (2155, 65270), (2675, 52582), (3050, 46117), (4310, 32635), (5350, 26291), (6527, 21550), (10775, 13054)]