214901390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 435207168

約数和(自身を除く): 220305778

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 197, 211, 235, 394, 422, 470, 517, 985, 1034, 1055, 1970, 2110, 2167, 2321, 2585, 4334, 4642, 5170, 9259, 9917, 10835, 11605, 18518, 19834, 21670, 23210, 41567, 46295, 49585, 83134, 92590, 99170, 101849, 109087, 203698, 207835, 218174, 415670, 457237, 509245, 545435, 914474, 1018490, 1090870, 1953649, 2286185, 3907298, 4572370, 9768245, 19536490, 21490139, 42980278, 107450695, 214901390]

約数ペア:

[(1, 214901390), (2, 107450695), (5, 42980278), (10, 21490139), (11, 19536490), (22, 9768245), (47, 4572370), (55, 3907298), (94, 2286185), (110, 1953649), (197, 1090870), (211, 1018490), (235, 914474), (394, 545435), (422, 509245), (470, 457237), (517, 415670), (985, 218174), (1034, 207835), (1055, 203698), (1970, 109087), (2110, 101849), (2167, 99170), (2321, 92590), (2585, 83134), (4334, 49585), (4642, 46295), (5170, 41567), (9259, 23210), (9917, 21670), (10835, 19834), (11605, 18518)]