1542940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 3773952

約数和(自身を除く): 2231012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 107, 140, 206, 214, 412, 428, 515, 535, 721, 749, 1030, 1070, 1442, 1498, 2060, 2140, 2884, 2996, 3605, 3745, 7210, 7490, 11021, 14420, 14980, 22042, 44084, 55105, 77147, 110210, 154294, 220420, 308588, 385735, 771470, 1542940]

約数ペア:

[(1, 1542940), (2, 771470), (4, 385735), (5, 308588), (7, 220420), (10, 154294), (14, 110210), (20, 77147), (28, 55105), (35, 44084), (70, 22042), (103, 14980), (107, 14420), (140, 11021), (206, 7490), (214, 7210), (412, 3745), (428, 3605), (515, 2996), (535, 2884), (721, 2140), (749, 2060), (1030, 1498), (1070, 1442)]