221413340

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{35597}}^1$

素因数の和:35917

約数の個数: 24

約数和(自身を含む): 466476192

約数和(自身を除く): 245062852

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 35597, 71194, 142388, 177985, 355970, 711940, 11070667, 22141334, 44282668, 55353335, 110706670, 221413340]

約数ペア:

[(1, 221413340), (2, 110706670), (4, 55353335), (5, 44282668), (10, 22141334), (20, 11070667), (311, 711940), (622, 355970), (1244, 177985), (1555, 142388), (3110, 71194), (6220, 35597)]