12764500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 72

約数和(自身を含む): 32491368

約数和(自身を除く): 19726868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 521, 700, 875, 980, 1042, 1225, 1750, 2084, 2450, 2605, 3500, 3647, 4900, 5210, 6125, 7294, 10420, 12250, 13025, 14588, 18235, 24500, 25529, 26050, 36470, 51058, 52100, 65125, 72940, 91175, 102116, 127645, 130250, 182350, 255290, 260500, 364700, 455875, 510580, 638225, 911750, 1276450, 1823500, 2552900, 3191125, 6382250, 12764500]

約数ペア:

[(1, 12764500), (2, 6382250), (4, 3191125), (5, 2552900), (7, 1823500), (10, 1276450), (14, 911750), (20, 638225), (25, 510580), (28, 455875), (35, 364700), (49, 260500), (50, 255290), (70, 182350), (98, 130250), (100, 127645), (125, 102116), (140, 91175), (175, 72940), (196, 65125), (245, 52100), (250, 51058), (350, 36470), (490, 26050), (500, 25529), (521, 24500), (700, 18235), (875, 14588), (980, 13025), (1042, 12250), (1225, 10420), (1750, 7294), (2084, 6125), (2450, 5210), (2605, 4900), (3500, 3647)]