2015656895

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{761}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 2970885600

約数和(自身を除く): 955228705

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 569, 665, 761, 931, 2845, 3805, 3983, 4655, 5327, 10811, 14459, 19915, 26635, 27881, 37289, 54055, 72295, 75677, 101213, 139405, 186445, 378385, 433009, 506065, 529739, 708491, 2165045, 2648695, 3031063, 3542455, 8227171, 15155315, 21217441, 41135855, 57590197, 106087205, 287950985, 403131379, 2015656895]

約数ペア:

[(1, 2015656895), (5, 403131379), (7, 287950985), (19, 106087205), (35, 57590197), (49, 41135855), (95, 21217441), (133, 15155315), (245, 8227171), (569, 3542455), (665, 3031063), (761, 2648695), (931, 2165045), (2845, 708491), (3805, 529739), (3983, 506065), (4655, 433009), (5327, 378385), (10811, 186445), (14459, 139405), (19915, 101213), (26635, 75677), (27881, 72295), (37289, 54055)]