199775660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1426969}}^1$

素因数の和:1426985

約数の個数: 24

約数和(自身を含む): 479461920

約数和(自身を除く): 279686260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1426969, 2853938, 5707876, 7134845, 9988783, 14269690, 19977566, 28539380, 39955132, 49943915, 99887830, 199775660]

約数ペア:

[(1, 199775660), (2, 99887830), (4, 49943915), (5, 39955132), (7, 28539380), (10, 19977566), (14, 14269690), (20, 9988783), (28, 7134845), (35, 5707876), (70, 2853938), (140, 1426969)]