243335740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{392477}}^1$

素因数の和:392517

約数の個数: 24

約数和(自身を含む): 527490432

約数和(自身を除く): 284154692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 392477, 784954, 1569908, 1962385, 3924770, 7849540, 12166787, 24333574, 48667148, 60833935, 121667870, 243335740]

約数ペア:

[(1, 243335740), (2, 121667870), (4, 60833935), (5, 48667148), (10, 24333574), (20, 12166787), (31, 7849540), (62, 3924770), (124, 1962385), (155, 1569908), (310, 784954), (620, 392477)]