71878730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 162369792

約数和(自身を除く): 90491062

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 277, 337, 385, 554, 674, 770, 1385, 1685, 1939, 2359, 2770, 3047, 3370, 3707, 3878, 4718, 6094, 7414, 9695, 11795, 15235, 18535, 19390, 21329, 23590, 25949, 30470, 37070, 42658, 51898, 93349, 106645, 129745, 186698, 213290, 259490, 466745, 653443, 933490, 1026839, 1306886, 2053678, 3267215, 5134195, 6534430, 7187873, 10268390, 14375746, 35939365, 71878730]

約数ペア:

[(1, 71878730), (2, 35939365), (5, 14375746), (7, 10268390), (10, 7187873), (11, 6534430), (14, 5134195), (22, 3267215), (35, 2053678), (55, 1306886), (70, 1026839), (77, 933490), (110, 653443), (154, 466745), (277, 259490), (337, 213290), (385, 186698), (554, 129745), (674, 106645), (770, 93349), (1385, 51898), (1685, 42658), (1939, 37070), (2359, 30470), (2770, 25949), (3047, 23590), (3370, 21329), (3707, 19390), (3878, 18535), (4718, 15235), (6094, 11795), (7414, 9695)]