138705140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4111}}^1$

素因数の和:4368

約数の個数: 48

約数和(自身を含む): 334354944

約数和(自身を除く): 195649804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4111, 4820, 6748, 8222, 8435, 16444, 16870, 20555, 28777, 33740, 41110, 57554, 82220, 115108, 143885, 287770, 575540, 990751, 1981502, 3963004, 4953755, 6935257, 9907510, 13870514, 19815020, 27741028, 34676285, 69352570, 138705140]

約数ペア:

[(1, 138705140), (2, 69352570), (4, 34676285), (5, 27741028), (7, 19815020), (10, 13870514), (14, 9907510), (20, 6935257), (28, 4953755), (35, 3963004), (70, 1981502), (140, 990751), (241, 575540), (482, 287770), (964, 143885), (1205, 115108), (1687, 82220), (2410, 57554), (3374, 41110), (4111, 33740), (4820, 28777), (6748, 20555), (8222, 16870), (8435, 16444)]