561975260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{364919}}^1$

素因数の和:364946

約数の個数: 48

約数和(自身を含む): 1471357440

約数和(自身を除く): 909382180

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, 364919, 729838, 1459676, 1824595, 2554433, 3649190, 4014109, 5108866, 7298380, 8028218, 10217732, 12772165, 16056436, 20070545, 25544330, 28098763, 40141090, 51088660, 56197526, 80282180, 112395052, 140493815, 280987630, 561975260]

約数ペア:

[(1, 561975260), (2, 280987630), (4, 140493815), (5, 112395052), (7, 80282180), (10, 56197526), (11, 51088660), (14, 40141090), (20, 28098763), (22, 25544330), (28, 20070545), (35, 16056436), (44, 12772165), (55, 10217732), (70, 8028218), (77, 7298380), (110, 5108866), (140, 4014109), (154, 3649190), (220, 2554433), (308, 1824595), (385, 1459676), (770, 729838), (1540, 364919)]