68940740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16493}}^1$

素因数の和:16532

約数の個数: 48

約数和(自身を含む): 166259520

約数和(自身を除く): 97318780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 16493, 32986, 65972, 82465, 164930, 181423, 313367, 329860, 362846, 626734, 725692, 907115, 1253468, 1566835, 1814230, 3133670, 3447037, 3628460, 6267340, 6894074, 13788148, 17235185, 34470370, 68940740]

約数ペア:

[(1, 68940740), (2, 34470370), (4, 17235185), (5, 13788148), (10, 6894074), (11, 6267340), (19, 3628460), (20, 3447037), (22, 3133670), (38, 1814230), (44, 1566835), (55, 1253468), (76, 907115), (95, 725692), (110, 626734), (190, 362846), (209, 329860), (220, 313367), (380, 181423), (418, 164930), (836, 82465), (1045, 65972), (2090, 32986), (4180, 16493)]