279602480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{183949}}^1$

素因数の和:183981

約数の個数: 40

約数和(自身を含む): 684294000

約数和(自身を除く): 404691520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 183949, 367898, 735796, 919745, 1471592, 1839490, 2943184, 3495031, 3678980, 6990062, 7357960, 13980124, 14715920, 17475155, 27960248, 34950310, 55920496, 69900620, 139801240, 279602480]

約数ペア:

[(1, 279602480), (2, 139801240), (4, 69900620), (5, 55920496), (8, 34950310), (10, 27960248), (16, 17475155), (19, 14715920), (20, 13980124), (38, 7357960), (40, 6990062), (76, 3678980), (80, 3495031), (95, 2943184), (152, 1839490), (190, 1471592), (304, 919745), (380, 735796), (760, 367898), (1520, 183949)]