76688780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12739}}^1$

素因数の和:12798

約数の個数: 48

約数和(自身を含む): 188348160

約数和(自身を除く): 111659380

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, 12739, 25478, 50956, 63695, 89173, 127390, 178346, 254780, 356692, 445865, 547777, 891730, 1095554, 1783460, 2191108, 2738885, 3834439, 5477770, 7668878, 10955540, 15337756, 19172195, 38344390, 76688780]

約数ペア:

[(1, 76688780), (2, 38344390), (4, 19172195), (5, 15337756), (7, 10955540), (10, 7668878), (14, 5477770), (20, 3834439), (28, 2738885), (35, 2191108), (43, 1783460), (70, 1095554), (86, 891730), (140, 547777), (172, 445865), (215, 356692), (301, 254780), (430, 178346), (602, 127390), (860, 89173), (1204, 63695), (1505, 50956), (3010, 25478), (6020, 12739)]