486511720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{2311}}^1$

素因数の和:2618

約数の個数: 64

約数和(自身を含む): 1156924800

約数和(自身を除く): 670413080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 277, 380, 554, 760, 1108, 1385, 2216, 2311, 2770, 4622, 5263, 5540, 9244, 10526, 11080, 11555, 18488, 21052, 23110, 26315, 42104, 43909, 46220, 52630, 87818, 92440, 105260, 175636, 210520, 219545, 351272, 439090, 640147, 878180, 1280294, 1756360, 2560588, 3200735, 5121176, 6401470, 12162793, 12802940, 24325586, 25605880, 48651172, 60813965, 97302344, 121627930, 243255860, 486511720]

約数ペア:

[(1, 486511720), (2, 243255860), (4, 121627930), (5, 97302344), (8, 60813965), (10, 48651172), (19, 25605880), (20, 24325586), (38, 12802940), (40, 12162793), (76, 6401470), (95, 5121176), (152, 3200735), (190, 2560588), (277, 1756360), (380, 1280294), (554, 878180), (760, 640147), (1108, 439090), (1385, 351272), (2216, 219545), (2311, 210520), (2770, 175636), (4622, 105260), (5263, 92440), (5540, 87818), (9244, 52630), (10526, 46220), (11080, 43909), (11555, 42104), (18488, 26315), (21052, 23110)]