1238740

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 2622312

約数和(自身を除く): 1383572

約数列:

[1, 2, 4, 5, 10, 20, 241, 257, 482, 514, 964, 1028, 1205, 1285, 2410, 2570, 4820, 5140, 61937, 123874, 247748, 309685, 619370, 1238740]

約数ペア:

[(1, 1238740), (2, 619370), (4, 309685), (5, 247748), (10, 123874), (20, 61937), (241, 5140), (257, 4820), (482, 2570), (514, 2410), (964, 1285), (1028, 1205)]