30148580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19577}}^1$

素因数の和:19604

約数の個数: 48

約数和(自身を含む): 78938496

約数和(自身を除く): 48789916

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, 19577, 39154, 78308, 97885, 137039, 195770, 215347, 274078, 391540, 430694, 548156, 685195, 861388, 1076735, 1370390, 1507429, 2153470, 2740780, 3014858, 4306940, 6029716, 7537145, 15074290, 30148580]

約数ペア:

[(1, 30148580), (2, 15074290), (4, 7537145), (5, 6029716), (7, 4306940), (10, 3014858), (11, 2740780), (14, 2153470), (20, 1507429), (22, 1370390), (28, 1076735), (35, 861388), (44, 685195), (55, 548156), (70, 430694), (77, 391540), (110, 274078), (140, 215347), (154, 195770), (220, 137039), (308, 97885), (385, 78308), (770, 39154), (1540, 19577)]