850780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 2096640

約数和(自身を除く): 1245860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 103, 118, 140, 206, 236, 295, 412, 413, 515, 590, 721, 826, 1030, 1180, 1442, 1652, 2060, 2065, 2884, 3605, 4130, 6077, 7210, 8260, 12154, 14420, 24308, 30385, 42539, 60770, 85078, 121540, 170156, 212695, 425390, 850780]

約数ペア:

[(1, 850780), (2, 425390), (4, 212695), (5, 170156), (7, 121540), (10, 85078), (14, 60770), (20, 42539), (28, 30385), (35, 24308), (59, 14420), (70, 12154), (103, 8260), (118, 7210), (140, 6077), (206, 4130), (236, 3605), (295, 2884), (412, 2065), (413, 2060), (515, 1652), (590, 1442), (721, 1180), (826, 1030)]