90000290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{673}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 166548096

約数和(自身を除く): 76547806

約数列:

[1, 2, 5, 10, 43, 86, 215, 311, 430, 622, 673, 1346, 1555, 3110, 3365, 6730, 13373, 26746, 28939, 57878, 66865, 133730, 144695, 209303, 289390, 418606, 1046515, 2093030, 9000029, 18000058, 45000145, 90000290]

約数ペア:

[(1, 90000290), (2, 45000145), (5, 18000058), (10, 9000029), (43, 2093030), (86, 1046515), (215, 418606), (311, 289390), (430, 209303), (622, 144695), (673, 133730), (1346, 66865), (1555, 57878), (3110, 28939), (3365, 26746), (6730, 13373)]