78477029290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{642149}}^1$

素因数の和:642279

約数の個数: 48

約数和(自身を含む): 156805324200

約数和(自身を除く): 78328294910

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 121, 202, 242, 505, 605, 1010, 1111, 1210, 2222, 5555, 11110, 12221, 24442, 61105, 122210, 642149, 1284298, 3210745, 6421490, 7063639, 14127278, 35318195, 64857049, 70636390, 77700029, 129714098, 155400058, 324285245, 388500145, 648570490, 713427539, 777000290, 1426855078, 3567137695, 7134275390, 7847702929, 15695405858, 39238514645, 78477029290]

約数ペア:

[(1, 78477029290), (2, 39238514645), (5, 15695405858), (10, 7847702929), (11, 7134275390), (22, 3567137695), (55, 1426855078), (101, 777000290), (110, 713427539), (121, 648570490), (202, 388500145), (242, 324285245), (505, 155400058), (605, 129714098), (1010, 77700029), (1111, 70636390), (1210, 64857049), (2222, 35318195), (5555, 14127278), (11110, 7063639), (12221, 6421490), (24442, 3210745), (61105, 1284298), (122210, 642149)]