201771460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{1109}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 463216320

約数和(自身を除く): 261444860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 827, 1109, 1654, 2218, 3308, 4135, 4436, 5545, 8270, 9097, 11090, 12199, 16540, 18194, 22180, 24398, 36388, 45485, 48796, 60995, 90970, 121990, 181940, 243980, 917143, 1834286, 3668572, 4585715, 9171430, 10088573, 18342860, 20177146, 40354292, 50442865, 100885730, 201771460]

約数ペア:

[(1, 201771460), (2, 100885730), (4, 50442865), (5, 40354292), (10, 20177146), (11, 18342860), (20, 10088573), (22, 9171430), (44, 4585715), (55, 3668572), (110, 1834286), (220, 917143), (827, 243980), (1109, 181940), (1654, 121990), (2218, 90970), (3308, 60995), (4135, 48796), (4436, 45485), (5545, 36388), (8270, 24398), (9097, 22180), (11090, 18194), (12199, 16540)]