208522820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{4139}}^1$

素因数の和:4388

約数の個数: 48

約数和(自身を含む): 479908800

約数和(自身を除く): 271385980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 2290, 2519, 4139, 4580, 5038, 8278, 10076, 12595, 16556, 20695, 25190, 41390, 45529, 50380, 82780, 91058, 182116, 227645, 455290, 910580, 947831, 1895662, 3791324, 4739155, 9478310, 10426141, 18956620, 20852282, 41704564, 52130705, 104261410, 208522820]

約数ペア:

[(1, 208522820), (2, 104261410), (4, 52130705), (5, 41704564), (10, 20852282), (11, 18956620), (20, 10426141), (22, 9478310), (44, 4739155), (55, 3791324), (110, 1895662), (220, 947831), (229, 910580), (458, 455290), (916, 227645), (1145, 182116), (2290, 91058), (2519, 82780), (4139, 50380), (4580, 45529), (5038, 41390), (8278, 25190), (10076, 20695), (12595, 16556)]