229584520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4787}}^1$

素因数の和:4918

約数の個数: 64

約数和(自身を含む): 568814400

約数和(自身を除く): 339229880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4360, 4787, 4796, 5995, 9574, 9592, 11990, 19148, 23935, 23980, 38296, 47870, 47960, 52657, 95740, 105314, 191480, 210628, 263285, 421256, 521783, 526570, 1043566, 1053140, 2087132, 2106280, 2608915, 4174264, 5217830, 5739613, 10435660, 11479226, 20871320, 22958452, 28698065, 45916904, 57396130, 114792260, 229584520]

約数ペア:

[(1, 229584520), (2, 114792260), (4, 57396130), (5, 45916904), (8, 28698065), (10, 22958452), (11, 20871320), (20, 11479226), (22, 10435660), (40, 5739613), (44, 5217830), (55, 4174264), (88, 2608915), (109, 2106280), (110, 2087132), (218, 1053140), (220, 1043566), (436, 526570), (440, 521783), (545, 421256), (872, 263285), (1090, 210628), (1199, 191480), (2180, 105314), (2398, 95740), (4360, 52657), (4787, 47960), (4796, 47870), (5995, 38296), (9574, 23980), (9592, 23935), (11990, 19148)]