30675260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19919}}^1$

素因数の和:19946

約数の個数: 48

約数和(自身を含む): 80317440

約数和(自身を除く): 49642180

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, 19919, 39838, 79676, 99595, 139433, 199190, 219109, 278866, 398380, 438218, 557732, 697165, 876436, 1095545, 1394330, 1533763, 2191090, 2788660, 3067526, 4382180, 6135052, 7668815, 15337630, 30675260]

約数ペア:

[(1, 30675260), (2, 15337630), (4, 7668815), (5, 6135052), (7, 4382180), (10, 3067526), (11, 2788660), (14, 2191090), (20, 1533763), (22, 1394330), (28, 1095545), (35, 876436), (44, 697165), (55, 557732), (70, 438218), (77, 398380), (110, 278866), (140, 219109), (154, 199190), (220, 139433), (308, 99595), (385, 79676), (770, 39838), (1540, 19919)]