7261000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 17437680

約数和(自身を除く): 10176680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 137, 200, 212, 250, 265, 274, 424, 500, 530, 548, 685, 1000, 1060, 1096, 1325, 1370, 2120, 2650, 2740, 3425, 5300, 5480, 6625, 6850, 7261, 10600, 13250, 13700, 14522, 17125, 26500, 27400, 29044, 34250, 36305, 53000, 58088, 68500, 72610, 137000, 145220, 181525, 290440, 363050, 726100, 907625, 1452200, 1815250, 3630500, 7261000]

約数ペア:

[(1, 7261000), (2, 3630500), (4, 1815250), (5, 1452200), (8, 907625), (10, 726100), (20, 363050), (25, 290440), (40, 181525), (50, 145220), (53, 137000), (100, 72610), (106, 68500), (125, 58088), (137, 53000), (200, 36305), (212, 34250), (250, 29044), (265, 27400), (274, 26500), (424, 17125), (500, 14522), (530, 13700), (548, 13250), (685, 10600), (1000, 7261), (1060, 6850), (1096, 6625), (1325, 5480), (1370, 5300), (2120, 3425), (2650, 2740)]