13980190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 29663712

約数和(自身を除く): 15683522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 277, 490, 515, 554, 721, 1030, 1385, 1442, 1939, 2770, 3605, 3878, 5047, 7210, 9695, 10094, 13573, 19390, 25235, 27146, 28531, 50470, 57062, 67865, 135730, 142655, 199717, 285310, 399434, 998585, 1398019, 1997170, 2796038, 6990095, 13980190]

約数ペア:

[(1, 13980190), (2, 6990095), (5, 2796038), (7, 1997170), (10, 1398019), (14, 998585), (35, 399434), (49, 285310), (70, 199717), (98, 142655), (103, 135730), (206, 67865), (245, 57062), (277, 50470), (490, 28531), (515, 27146), (554, 25235), (721, 19390), (1030, 13573), (1385, 10094), (1442, 9695), (1939, 7210), (2770, 5047), (3605, 3878)]