2982156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{206807}}^1$

素因数の和:206926

約数の個数: 48

約数和(自身を含む): 7226698752

約数和(自身を除く): 4244541812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 206807, 413614, 827228, 1034035, 1447649, 2068070, 2895298, 4136140, 5790596, 7238245, 14476490, 21301121, 28952980, 42602242, 85204484, 106505605, 149107847, 213011210, 298215694, 426022420, 596431388, 745539235, 1491078470, 2982156940]

約数ペア:

[(1, 2982156940), (2, 1491078470), (4, 745539235), (5, 596431388), (7, 426022420), (10, 298215694), (14, 213011210), (20, 149107847), (28, 106505605), (35, 85204484), (70, 42602242), (103, 28952980), (140, 21301121), (206, 14476490), (412, 7238245), (515, 5790596), (721, 4136140), (1030, 2895298), (1442, 2068070), (2060, 1447649), (2884, 1034035), (3605, 827228), (7210, 413614), (14420, 206807)]