386540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 1016064

約数和(自身を除く): 629524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 251, 308, 385, 502, 770, 1004, 1255, 1540, 1757, 2510, 2761, 3514, 5020, 5522, 7028, 8785, 11044, 13805, 17570, 19327, 27610, 35140, 38654, 55220, 77308, 96635, 193270, 386540]

約数ペア:

[(1, 386540), (2, 193270), (4, 96635), (5, 77308), (7, 55220), (10, 38654), (11, 35140), (14, 27610), (20, 19327), (22, 17570), (28, 13805), (35, 11044), (44, 8785), (55, 7028), (70, 5522), (77, 5020), (110, 3514), (140, 2761), (154, 2510), (220, 1757), (251, 1540), (308, 1255), (385, 1004), (502, 770)]