704780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 1496880

約数和(自身を除く): 792100

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 269, 524, 538, 655, 1076, 1310, 1345, 2620, 2690, 5380, 35239, 70478, 140956, 176195, 352390, 704780]

約数ペア:

[(1, 704780), (2, 352390), (4, 176195), (5, 140956), (10, 70478), (20, 35239), (131, 5380), (262, 2690), (269, 2620), (524, 1345), (538, 1310), (655, 1076)]