28444220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203173}}^1$

素因数の和:203189

約数の個数: 24

約数和(自身を含む): 68266464

約数和(自身を除く): 39822244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203173, 406346, 812692, 1015865, 1422211, 2031730, 2844422, 4063460, 5688844, 7111055, 14222110, 28444220]

約数ペア:

[(1, 28444220), (2, 14222110), (4, 7111055), (5, 5688844), (7, 4063460), (10, 2844422), (14, 2031730), (20, 1422211), (28, 1015865), (35, 812692), (70, 406346), (140, 203173)]