220195600

素因数分解:

$2^4\times 5^2\times {\mathrm{550489}}^1$

素因数の和:550507

約数の個数: 30

約数和(自身を含む): 529020890

約数和(自身を除く): 308825290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 550489, 1100978, 2201956, 2752445, 4403912, 5504890, 8807824, 11009780, 13762225, 22019560, 27524450, 44039120, 55048900, 110097800, 220195600]

約数ペア:

[(1, 220195600), (2, 110097800), (4, 55048900), (5, 44039120), (8, 27524450), (10, 22019560), (16, 13762225), (20, 11009780), (25, 8807824), (40, 5504890), (50, 4403912), (80, 2752445), (100, 2201956), (200, 1100978), (400, 550489)]