199171880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{93949}}^1$

素因数の和:94013

約数の個数: 32

約数和(自身を含む): 456597000

約数和(自身を除く): 257425120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 93949, 187898, 375796, 469745, 751592, 939490, 1878980, 3757960, 4979297, 9958594, 19917188, 24896485, 39834376, 49792970, 99585940, 199171880]

約数ペア:

[(1, 199171880), (2, 99585940), (4, 49792970), (5, 39834376), (8, 24896485), (10, 19917188), (20, 9958594), (40, 4979297), (53, 3757960), (106, 1878980), (212, 939490), (265, 751592), (424, 469745), (530, 375796), (1060, 187898), (2120, 93949)]