620718868

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{3739}}^1$

素因数の和:3786

約数の個数: 72

約数和(自身を含む): 1392776000

約数和(自身を除く): 772057132

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 484, 539, 686, 847, 1078, 1372, 1694, 2156, 3388, 3739, 3773, 5929, 7478, 7546, 11858, 14956, 15092, 23716, 26173, 41129, 41503, 52346, 82258, 83006, 104692, 164516, 166012, 183211, 287903, 366422, 452419, 575806, 732844, 904838, 1151612, 1282477, 1809676, 2015321, 2564954, 3166933, 4030642, 5129908, 6333866, 8061284, 12667732, 14107247, 22168531, 28214494, 44337062, 56428988, 88674124, 155179717, 310359434, 620718868]

約数ペア:

[(1, 620718868), (2, 310359434), (4, 155179717), (7, 88674124), (11, 56428988), (14, 44337062), (22, 28214494), (28, 22168531), (44, 14107247), (49, 12667732), (77, 8061284), (98, 6333866), (121, 5129908), (154, 4030642), (196, 3166933), (242, 2564954), (308, 2015321), (343, 1809676), (484, 1282477), (539, 1151612), (686, 904838), (847, 732844), (1078, 575806), (1372, 452419), (1694, 366422), (2156, 287903), (3388, 183211), (3739, 166012), (3773, 164516), (5929, 104692), (7478, 83006), (7546, 82258), (11858, 52346), (14956, 41503), (15092, 41129), (23716, 26173)]