86988860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5807}}^1$

素因数の和:5930

約数の個数: 48

約数和(自身を含む): 210760704

約数和(自身を除く): 123771844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 5807, 7490, 11614, 14980, 23228, 29035, 40649, 58070, 81298, 116140, 162596, 203245, 406490, 621349, 812980, 1242698, 2485396, 3106745, 4349443, 6213490, 8698886, 12426980, 17397772, 21747215, 43494430, 86988860]

約数ペア:

[(1, 86988860), (2, 43494430), (4, 21747215), (5, 17397772), (7, 12426980), (10, 8698886), (14, 6213490), (20, 4349443), (28, 3106745), (35, 2485396), (70, 1242698), (107, 812980), (140, 621349), (214, 406490), (428, 203245), (535, 162596), (749, 116140), (1070, 81298), (1498, 58070), (2140, 40649), (2996, 29035), (3745, 23228), (5807, 14980), (7490, 11614)]