1688894438180

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1\times {\mathrm{497603}}^1$

素因数の和:498596

約数の個数: 48

約数和(自身を含む): 3567271325184

約数和(自身を除く): 1878376887004

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 761, 892, 1115, 1522, 2230, 3044, 3805, 4460, 7610, 15220, 169703, 339406, 497603, 678812, 848515, 995206, 1697030, 1990412, 2488015, 3394060, 4976030, 9952060, 110965469, 221930938, 378675883, 443861876, 554827345, 757351766, 1109654690, 1514703532, 1893379415, 2219309380, 3786758830, 7573517660, 84444721909, 168889443818, 337778887636, 422223609545, 844447219090, 1688894438180]

約数ペア:

[(1, 1688894438180), (2, 844447219090), (4, 422223609545), (5, 337778887636), (10, 168889443818), (20, 84444721909), (223, 7573517660), (446, 3786758830), (761, 2219309380), (892, 1893379415), (1115, 1514703532), (1522, 1109654690), (2230, 757351766), (3044, 554827345), (3805, 443861876), (4460, 378675883), (7610, 221930938), (15220, 110965469), (169703, 9952060), (339406, 4976030), (497603, 3394060), (678812, 2488015), (848515, 1990412), (995206, 1697030)]