71800540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11927}}^1$

素因数の和:11986

約数の個数: 48

約数和(自身を含む): 176343552

約数和(自身を除く): 104543012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 11927, 23854, 47708, 59635, 83489, 119270, 166978, 238540, 333956, 417445, 512861, 834890, 1025722, 1669780, 2051444, 2564305, 3590027, 5128610, 7180054, 10257220, 14360108, 17950135, 35900270, 71800540]

約数ペア:

[(1, 71800540), (2, 35900270), (4, 17950135), (5, 14360108), (7, 10257220), (10, 7180054), (14, 5128610), (20, 3590027), (28, 2564305), (35, 2051444), (43, 1669780), (70, 1025722), (86, 834890), (140, 512861), (172, 417445), (215, 333956), (301, 238540), (430, 166978), (602, 119270), (860, 83489), (1204, 59635), (1505, 47708), (3010, 23854), (6020, 11927)]