2878198840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{284407}}^1$

素因数の和:284452

約数の個数: 64

約数和(自身を含む): 7371855360

約数和(自身を除く): 4493656520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 284407, 568814, 1137628, 1422035, 2275256, 2844070, 3128477, 5688140, 6256954, 6541361, 11376280, 12513908, 13082722, 15642385, 25027816, 26165444, 31284770, 32706805, 52330888, 62569540, 65413610, 71954971, 125139080, 130827220, 143909942, 261654440, 287819884, 359774855, 575639768, 719549710, 1439099420, 2878198840]

約数ペア:

[(1, 2878198840), (2, 1439099420), (4, 719549710), (5, 575639768), (8, 359774855), (10, 287819884), (11, 261654440), (20, 143909942), (22, 130827220), (23, 125139080), (40, 71954971), (44, 65413610), (46, 62569540), (55, 52330888), (88, 32706805), (92, 31284770), (110, 26165444), (115, 25027816), (184, 15642385), (220, 13082722), (230, 12513908), (253, 11376280), (440, 6541361), (460, 6256954), (506, 5688140), (920, 3128477), (1012, 2844070), (1265, 2275256), (2024, 1422035), (2530, 1137628), (5060, 568814), (10120, 284407)]