213296440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{761773}}^1$

素因数の和:761791

約数の個数: 32

約数和(自身を含む): 548477280

約数和(自身を除く): 335180840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 761773, 1523546, 3047092, 3808865, 5332411, 6094184, 7617730, 10664822, 15235460, 21329644, 26662055, 30470920, 42659288, 53324110, 106648220, 213296440]

約数ペア:

[(1, 213296440), (2, 106648220), (4, 53324110), (5, 42659288), (7, 30470920), (8, 26662055), (10, 21329644), (14, 15235460), (20, 10664822), (28, 7617730), (35, 6094184), (40, 5332411), (56, 3808865), (70, 3047092), (140, 1523546), (280, 761773)]