201386680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457697}}^1$

素因数の和:457719

約数の個数: 32

約数和(自身を含む): 494313840

約数和(自身を除く): 292927160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457697, 915394, 1830788, 2288485, 3661576, 4576970, 5034667, 9153940, 10069334, 18307880, 20138668, 25173335, 40277336, 50346670, 100693340, 201386680]

約数ペア:

[(1, 201386680), (2, 100693340), (4, 50346670), (5, 40277336), (8, 25173335), (10, 20138668), (11, 18307880), (20, 10069334), (22, 9153940), (40, 5034667), (44, 4576970), (55, 3661576), (88, 2288485), (110, 1830788), (220, 915394), (440, 457697)]