244240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 589248

約数和(自身を除く): 345008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 355, 430, 568, 688, 710, 860, 1136, 1420, 1720, 2840, 3053, 3440, 5680, 6106, 12212, 15265, 24424, 30530, 48848, 61060, 122120, 244240]

約数ペア:

[(1, 244240), (2, 122120), (4, 61060), (5, 48848), (8, 30530), (10, 24424), (16, 15265), (20, 12212), (40, 6106), (43, 5680), (71, 3440), (80, 3053), (86, 2840), (142, 1720), (172, 1420), (215, 1136), (284, 860), (344, 710), (355, 688), (430, 568)]