202989740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{77477}}^1$

素因数の和:77617

約数の個数: 24

約数和(自身を含む): 429538032

約数和(自身を除く): 226548292

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 77477, 154954, 309908, 387385, 774770, 1549540, 10149487, 20298974, 40597948, 50747435, 101494870, 202989740]

約数ペア:

[(1, 202989740), (2, 101494870), (4, 50747435), (5, 40597948), (10, 20298974), (20, 10149487), (131, 1549540), (262, 774770), (524, 387385), (655, 309908), (1310, 154954), (2620, 77477)]