899921680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1607003}}^1$

素因数の和:1607023

約数の個数: 40

約数和(自身を含む): 2391221952

約数和(自身を除く): 1491300272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1607003, 3214006, 6428012, 8035015, 11249021, 12856024, 16070030, 22498042, 25712048, 32140060, 44996084, 56245105, 64280120, 89992168, 112490210, 128560240, 179984336, 224980420, 449960840, 899921680]

約数ペア:

[(1, 899921680), (2, 449960840), (4, 224980420), (5, 179984336), (7, 128560240), (8, 112490210), (10, 89992168), (14, 64280120), (16, 56245105), (20, 44996084), (28, 32140060), (35, 25712048), (40, 22498042), (56, 16070030), (70, 12856024), (80, 11249021), (112, 8035015), (140, 6428012), (280, 3214006), (560, 1607003)]