2580380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 6090336

約数和(自身を除く): 3509956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 317, 370, 407, 634, 740, 814, 1268, 1585, 1628, 2035, 3170, 3487, 4070, 6340, 6974, 8140, 11729, 13948, 17435, 23458, 34870, 46916, 58645, 69740, 117290, 129019, 234580, 258038, 516076, 645095, 1290190, 2580380]

約数ペア:

[(1, 2580380), (2, 1290190), (4, 645095), (5, 516076), (10, 258038), (11, 234580), (20, 129019), (22, 117290), (37, 69740), (44, 58645), (55, 46916), (74, 34870), (110, 23458), (148, 17435), (185, 13948), (220, 11729), (317, 8140), (370, 6974), (407, 6340), (634, 4070), (740, 3487), (814, 3170), (1268, 2035), (1585, 1628)]