4389140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 10668672

約数和(自身を除く): 6279532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 293, 428, 535, 586, 749, 1070, 1172, 1465, 1498, 2051, 2140, 2930, 2996, 3745, 4102, 5860, 7490, 8204, 10255, 14980, 20510, 31351, 41020, 62702, 125404, 156755, 219457, 313510, 438914, 627020, 877828, 1097285, 2194570, 4389140]

約数ペア:

[(1, 4389140), (2, 2194570), (4, 1097285), (5, 877828), (7, 627020), (10, 438914), (14, 313510), (20, 219457), (28, 156755), (35, 125404), (70, 62702), (107, 41020), (140, 31351), (214, 20510), (293, 14980), (428, 10255), (535, 8204), (586, 7490), (749, 5860), (1070, 4102), (1172, 3745), (1465, 2996), (1498, 2930), (2051, 2140)]