199220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1423}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 478464

約数和(自身を除く): 279244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1423, 2846, 5692, 7115, 9961, 14230, 19922, 28460, 39844, 49805, 99610, 199220]

約数ペア:

[(1, 199220), (2, 99610), (4, 49805), (5, 39844), (7, 28460), (10, 19922), (14, 14230), (20, 9961), (28, 7115), (35, 5692), (70, 2846), (140, 1423)]