200099780

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{14479}}^1$

素因数の和:15179

約数の個数: 24

約数和(自身を含む): 420846720

約数和(自身を除く): 220746940

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 14479, 28958, 57916, 72395, 144790, 289580, 10004989, 20009978, 40019956, 50024945, 100049890, 200099780]

約数ペア:

[(1, 200099780), (2, 100049890), (4, 50024945), (5, 40019956), (10, 20009978), (20, 10004989), (691, 289580), (1382, 144790), (2764, 72395), (3455, 57916), (6910, 28958), (13820, 14479)]