420027556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3889}}^1$

素因数の和:4004

約数の個数: 48

約数和(自身を含む): 829534720

約数和(自身を除く): 409507164

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 67, 124, 134, 268, 403, 806, 871, 1612, 1742, 2077, 3484, 3889, 4154, 7778, 8308, 15556, 27001, 50557, 54002, 101114, 108004, 120559, 202228, 241118, 260563, 482236, 521126, 1042252, 1567267, 3134534, 3387319, 6269068, 6774638, 8077453, 13549276, 16154906, 32309812, 105006889, 210013778, 420027556]

約数ペア:

[(1, 420027556), (2, 210013778), (4, 105006889), (13, 32309812), (26, 16154906), (31, 13549276), (52, 8077453), (62, 6774638), (67, 6269068), (124, 3387319), (134, 3134534), (268, 1567267), (403, 1042252), (806, 521126), (871, 482236), (1612, 260563), (1742, 241118), (2077, 202228), (3484, 120559), (3889, 108004), (4154, 101114), (7778, 54002), (8308, 50557), (15556, 27001)]