49287780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{273821}}^1$

素因数の和:273836

約数の個数: 36

約数和(自身を含む): 149506812

約数和(自身を除く): 100219032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 273821, 547642, 821463, 1095284, 1369105, 1642926, 2464389, 2738210, 3285852, 4107315, 4928778, 5476420, 8214630, 9857556, 12321945, 16429260, 24643890, 49287780]

約数ペア:

[(1, 49287780), (2, 24643890), (3, 16429260), (4, 12321945), (5, 9857556), (6, 8214630), (9, 5476420), (10, 4928778), (12, 4107315), (15, 3285852), (18, 2738210), (20, 2464389), (30, 1642926), (36, 1369105), (45, 1095284), (60, 821463), (90, 547642), (180, 273821)]