30851590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 70087680

約数和(自身を除く): 39236090

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 206, 385, 389, 515, 721, 770, 778, 1030, 1133, 1442, 1945, 2266, 2723, 3605, 3890, 4279, 5446, 5665, 7210, 7931, 8558, 11330, 13615, 15862, 21395, 27230, 29953, 39655, 40067, 42790, 59906, 79310, 80134, 149765, 200335, 280469, 299530, 400670, 440737, 560938, 881474, 1402345, 2203685, 2804690, 3085159, 4407370, 6170318, 15425795, 30851590]

約数ペア:

[(1, 30851590), (2, 15425795), (5, 6170318), (7, 4407370), (10, 3085159), (11, 2804690), (14, 2203685), (22, 1402345), (35, 881474), (55, 560938), (70, 440737), (77, 400670), (103, 299530), (110, 280469), (154, 200335), (206, 149765), (385, 80134), (389, 79310), (515, 59906), (721, 42790), (770, 40067), (778, 39655), (1030, 29953), (1133, 27230), (1442, 21395), (1945, 15862), (2266, 13615), (2723, 11330), (3605, 8558), (3890, 7931), (4279, 7210), (5446, 5665)]