30691780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5347}}^1$

素因数の和:5404

約数の個数: 48

約数和(自身を含む): 75470976

約数和(自身を除く): 44779196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5347, 5740, 10694, 21388, 26735, 37429, 53470, 74858, 106940, 149716, 187145, 219227, 374290, 438454, 748580, 876908, 1096135, 1534589, 2192270, 3069178, 4384540, 6138356, 7672945, 15345890, 30691780]

約数ペア:

[(1, 30691780), (2, 15345890), (4, 7672945), (5, 6138356), (7, 4384540), (10, 3069178), (14, 2192270), (20, 1534589), (28, 1096135), (35, 876908), (41, 748580), (70, 438454), (82, 374290), (140, 219227), (164, 187145), (205, 149716), (287, 106940), (410, 74858), (574, 53470), (820, 37429), (1148, 26735), (1435, 21388), (2870, 10694), (5347, 5740)]