1453940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 3081120

約数和(自身を除く): 1627180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 523, 556, 695, 1046, 1390, 2092, 2615, 2780, 5230, 10460, 72697, 145394, 290788, 363485, 726970, 1453940]

約数ペア:

[(1, 1453940), (2, 726970), (4, 363485), (5, 290788), (10, 145394), (20, 72697), (139, 10460), (278, 5230), (523, 2780), (556, 2615), (695, 2092), (1046, 1390)]