2100609880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{5051}}^1$

素因数の和:5380

約数の個数: 64

約数和(自身を含む): 4872350880

約数和(自身を除く): 2771741000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 281, 296, 370, 562, 740, 1124, 1405, 1480, 2248, 2810, 5051, 5620, 10102, 10397, 11240, 20204, 20794, 25255, 40408, 41588, 50510, 51985, 83176, 101020, 103970, 186887, 202040, 207940, 373774, 415880, 747548, 934435, 1419331, 1495096, 1868870, 2838662, 3737740, 5677324, 7096655, 7475480, 11354648, 14193310, 28386620, 52515247, 56773240, 105030494, 210060988, 262576235, 420121976, 525152470, 1050304940, 2100609880]

約数ペア:

[(1, 2100609880), (2, 1050304940), (4, 525152470), (5, 420121976), (8, 262576235), (10, 210060988), (20, 105030494), (37, 56773240), (40, 52515247), (74, 28386620), (148, 14193310), (185, 11354648), (281, 7475480), (296, 7096655), (370, 5677324), (562, 3737740), (740, 2838662), (1124, 1868870), (1405, 1495096), (1480, 1419331), (2248, 934435), (2810, 747548), (5051, 415880), (5620, 373774), (10102, 207940), (10397, 202040), (11240, 186887), (20204, 103970), (20794, 101020), (25255, 83176), (40408, 51985), (41588, 50510)]