77751740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8219}}^1$

素因数の和:8282

約数の個数: 48

約数和(自身を含む): 182286720

約数和(自身を除く): 104534980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8219, 9460, 16438, 32876, 41095, 82190, 90409, 164380, 180818, 353417, 361636, 452045, 706834, 904090, 1413668, 1767085, 1808180, 3534170, 3887587, 7068340, 7775174, 15550348, 19437935, 38875870, 77751740]

約数ペア:

[(1, 77751740), (2, 38875870), (4, 19437935), (5, 15550348), (10, 7775174), (11, 7068340), (20, 3887587), (22, 3534170), (43, 1808180), (44, 1767085), (55, 1413668), (86, 904090), (110, 706834), (172, 452045), (215, 361636), (220, 353417), (430, 180818), (473, 164380), (860, 90409), (946, 82190), (1892, 41095), (2365, 32876), (4730, 16438), (8219, 9460)]