8752940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 21245952

約数和(自身を除く): 12493012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 607, 721, 1030, 1214, 1442, 2060, 2428, 2884, 3035, 3605, 4249, 6070, 7210, 8498, 12140, 14420, 16996, 21245, 42490, 62521, 84980, 125042, 250084, 312605, 437647, 625210, 875294, 1250420, 1750588, 2188235, 4376470, 8752940]

約数ペア:

[(1, 8752940), (2, 4376470), (4, 2188235), (5, 1750588), (7, 1250420), (10, 875294), (14, 625210), (20, 437647), (28, 312605), (35, 250084), (70, 125042), (103, 84980), (140, 62521), (206, 42490), (412, 21245), (515, 16996), (607, 14420), (721, 12140), (1030, 8498), (1214, 7210), (1442, 6070), (2060, 4249), (2428, 3605), (2884, 3035)]