219087820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 543312000

約数和(自身を除く): 324224180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 293, 343, 436, 490, 545, 586, 686, 763, 980, 1090, 1172, 1372, 1465, 1526, 1715, 2051, 2180, 2930, 3052, 3430, 3815, 4102, 5341, 5860, 6860, 7630, 8204, 10255, 10682, 14357, 15260, 20510, 21364, 26705, 28714, 31937, 37387, 41020, 53410, 57428, 63874, 71785, 74774, 100499, 106820, 127748, 143570, 149548, 159685, 186935, 200998, 223559, 287140, 319370, 373870, 401996, 447118, 502495, 638740, 747740, 894236, 1004990, 1117795, 1564913, 2009980, 2235590, 3129826, 4471180, 6259652, 7824565, 10954391, 15649130, 21908782, 31298260, 43817564, 54771955, 109543910, 219087820]

約数ペア:

[(1, 219087820), (2, 109543910), (4, 54771955), (5, 43817564), (7, 31298260), (10, 21908782), (14, 15649130), (20, 10954391), (28, 7824565), (35, 6259652), (49, 4471180), (70, 3129826), (98, 2235590), (109, 2009980), (140, 1564913), (196, 1117795), (218, 1004990), (245, 894236), (293, 747740), (343, 638740), (436, 502495), (490, 447118), (545, 401996), (586, 373870), (686, 319370), (763, 287140), (980, 223559), (1090, 200998), (1172, 186935), (1372, 159685), (1465, 149548), (1526, 143570), (1715, 127748), (2051, 106820), (2180, 100499), (2930, 74774), (3052, 71785), (3430, 63874), (3815, 57428), (4102, 53410), (5341, 41020), (5860, 37387), (6860, 31937), (7630, 28714), (8204, 26705), (10255, 21364), (10682, 20510), (14357, 15260)]