30379580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19727}}^1$

素因数の和:19754

約数の個数: 48

約数和(自身を含む): 79543296

約数和(自身を除く): 49163716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19727, 39454, 78908, 98635, 138089, 197270, 216997, 276178, 394540, 433994, 552356, 690445, 867988, 1084985, 1380890, 1518979, 2169970, 2761780, 3037958, 4339940, 6075916, 7594895, 15189790, 30379580]

約数ペア:

[(1, 30379580), (2, 15189790), (4, 7594895), (5, 6075916), (7, 4339940), (10, 3037958), (11, 2761780), (14, 2169970), (20, 1518979), (22, 1380890), (28, 1084985), (35, 867988), (44, 690445), (55, 552356), (70, 433994), (77, 394540), (110, 276178), (140, 216997), (154, 197270), (220, 138089), (308, 98635), (385, 78908), (770, 39454), (1540, 19727)]