2907880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 6602400

約数和(自身を除く): 3694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 523, 556, 695, 1046, 1112, 1390, 2092, 2615, 2780, 4184, 5230, 5560, 10460, 20920, 72697, 145394, 290788, 363485, 581576, 726970, 1453940, 2907880]

約数ペア:

[(1, 2907880), (2, 1453940), (4, 726970), (5, 581576), (8, 363485), (10, 290788), (20, 145394), (40, 72697), (139, 20920), (278, 10460), (523, 5560), (556, 5230), (695, 4184), (1046, 2780), (1112, 2615), (1390, 2092)]