203411480

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10357}}^1$

素因数の和:10859

約数の個数: 32

約数和(自身を含む): 458652240

約数和(自身を除く): 255240760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10357, 19640, 20714, 41428, 51785, 82856, 103570, 207140, 414280, 5085287, 10170574, 20341148, 25426435, 40682296, 50852870, 101705740, 203411480]

約数ペア:

[(1, 203411480), (2, 101705740), (4, 50852870), (5, 40682296), (8, 25426435), (10, 20341148), (20, 10170574), (40, 5085287), (491, 414280), (982, 207140), (1964, 103570), (2455, 82856), (3928, 51785), (4910, 41428), (9820, 20714), (10357, 19640)]