239769940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2729}}^1$

素因数の和:2952

約数の個数: 48

約数和(自身を含む): 528353280

約数和(自身を除く): 288583340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 230, 382, 460, 764, 955, 1910, 2729, 3820, 4393, 5458, 8786, 10916, 13645, 17572, 21965, 27290, 43930, 54580, 62767, 87860, 125534, 251068, 313835, 521239, 627670, 1042478, 1255340, 2084956, 2606195, 5212390, 10424780, 11988497, 23976994, 47953988, 59942485, 119884970, 239769940]

約数ペア:

[(1, 239769940), (2, 119884970), (4, 59942485), (5, 47953988), (10, 23976994), (20, 11988497), (23, 10424780), (46, 5212390), (92, 2606195), (115, 2084956), (191, 1255340), (230, 1042478), (382, 627670), (460, 521239), (764, 313835), (955, 251068), (1910, 125534), (2729, 87860), (3820, 62767), (4393, 54580), (5458, 43930), (8786, 27290), (10916, 21965), (13645, 17572)]