974328220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1\times {\mathrm{997}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 2069309088

約数和(自身を除く): 1094980868

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 373, 524, 655, 746, 997, 1310, 1492, 1865, 1994, 2620, 3730, 3988, 4985, 7460, 9970, 19940, 48863, 97726, 130607, 195452, 244315, 261214, 371881, 488630, 522428, 653035, 743762, 977260, 1306070, 1487524, 1859405, 2612140, 3718810, 7437620, 48716411, 97432822, 194865644, 243582055, 487164110, 974328220]

約数ペア:

[(1, 974328220), (2, 487164110), (4, 243582055), (5, 194865644), (10, 97432822), (20, 48716411), (131, 7437620), (262, 3718810), (373, 2612140), (524, 1859405), (655, 1487524), (746, 1306070), (997, 977260), (1310, 743762), (1492, 653035), (1865, 522428), (1994, 488630), (2620, 371881), (3730, 261214), (3988, 244315), (4985, 195452), (7460, 130607), (9970, 97726), (19940, 48863)]