219776810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{48731}}^1$

素因数の和:48790

約数の個数: 32

約数和(自身を含む): 442096704

約数和(自身を除く): 222319894

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 48731, 97462, 243655, 487310, 536041, 1072082, 1997971, 2680205, 3995942, 5360410, 9989855, 19979710, 21977681, 43955362, 109888405, 219776810]

約数ペア:

[(1, 219776810), (2, 109888405), (5, 43955362), (10, 21977681), (11, 19979710), (22, 9989855), (41, 5360410), (55, 3995942), (82, 2680205), (110, 1997971), (205, 1072082), (410, 536041), (451, 487310), (902, 243655), (2255, 97462), (4510, 48731)]