1539880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 3502440

約数和(自身を除く): 1962560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 281, 548, 562, 685, 1096, 1124, 1370, 1405, 2248, 2740, 2810, 5480, 5620, 11240, 38497, 76994, 153988, 192485, 307976, 384970, 769940, 1539880]

約数ペア:

[(1, 1539880), (2, 769940), (4, 384970), (5, 307976), (8, 192485), (10, 153988), (20, 76994), (40, 38497), (137, 11240), (274, 5620), (281, 5480), (548, 2810), (562, 2740), (685, 2248), (1096, 1405), (1124, 1370)]