199551880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{453527}}^1$

素因数の和:453549

約数の個数: 32

約数和(自身を含む): 489810240

約数和(自身を除く): 290258360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 453527, 907054, 1814108, 2267635, 3628216, 4535270, 4988797, 9070540, 9977594, 18141080, 19955188, 24943985, 39910376, 49887970, 99775940, 199551880]

約数ペア:

[(1, 199551880), (2, 99775940), (4, 49887970), (5, 39910376), (8, 24943985), (10, 19955188), (11, 18141080), (20, 9977594), (22, 9070540), (40, 4988797), (44, 4535270), (55, 3628216), (88, 2267635), (110, 1814108), (220, 907054), (440, 453527)]