90869320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2374

約数の個数: 64

約数和(自身を含む): 218401920

約数和(自身を除く): 127532600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 2297, 3956, 4594, 4945, 7912, 9188, 9890, 11485, 18376, 19780, 22970, 39560, 45940, 52831, 91880, 98771, 105662, 197542, 211324, 264155, 395084, 422648, 493855, 528310, 790168, 987710, 1056620, 1975420, 2113240, 2271733, 3950840, 4543466, 9086932, 11358665, 18173864, 22717330, 45434660, 90869320]

約数ペア:

[(1, 90869320), (2, 45434660), (4, 22717330), (5, 18173864), (8, 11358665), (10, 9086932), (20, 4543466), (23, 3950840), (40, 2271733), (43, 2113240), (46, 1975420), (86, 1056620), (92, 987710), (115, 790168), (172, 528310), (184, 493855), (215, 422648), (230, 395084), (344, 264155), (430, 211324), (460, 197542), (860, 105662), (920, 98771), (989, 91880), (1720, 52831), (1978, 45940), (2297, 39560), (3956, 22970), (4594, 19780), (4945, 18376), (7912, 11485), (9188, 9890)]