2019929575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 2735824896

約数和(自身を除く): 715895321

約数列:

[1, 5, 23, 25, 41, 47, 115, 205, 235, 575, 943, 1025, 1081, 1175, 1823, 1927, 4715, 5405, 9115, 9635, 23575, 27025, 41929, 44321, 45575, 48175, 74743, 85681, 209645, 221605, 373715, 428405, 1048225, 1108025, 1719089, 1868575, 1970663, 2142025, 3512921, 8595445, 9853315, 17564605, 42977225, 49266575, 80797183, 87823025, 403985915, 2019929575]

約数ペア:

[(1, 2019929575), (5, 403985915), (23, 87823025), (25, 80797183), (41, 49266575), (47, 42977225), (115, 17564605), (205, 9853315), (235, 8595445), (575, 3512921), (943, 2142025), (1025, 1970663), (1081, 1868575), (1175, 1719089), (1823, 1108025), (1927, 1048225), (4715, 428405), (5405, 373715), (9115, 221605), (9635, 209645), (23575, 85681), (27025, 74743), (41929, 48175), (44321, 45575)]