220245080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 568719360

約数和(自身を除く): 348474280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 67, 88, 110, 124, 134, 155, 220, 241, 248, 268, 310, 335, 341, 440, 482, 536, 620, 670, 682, 737, 964, 1205, 1240, 1340, 1364, 1474, 1705, 1928, 2077, 2410, 2651, 2680, 2728, 2948, 3410, 3685, 4154, 4820, 5302, 5896, 6820, 7370, 7471, 8308, 9640, 10385, 10604, 13255, 13640, 14740, 14942, 16147, 16616, 20770, 21208, 22847, 26510, 29480, 29884, 32294, 37355, 41540, 45694, 53020, 59768, 64588, 74710, 80735, 82181, 83080, 91388, 106040, 114235, 129176, 149420, 161470, 164362, 177617, 182776, 228470, 298840, 322940, 328724, 355234, 410905, 456940, 500557, 645880, 657448, 710468, 821810, 888085, 913880, 1001114, 1420936, 1643620, 1776170, 2002228, 2502785, 3287240, 3552340, 4004456, 5005570, 5506127, 7104680, 10011140, 11012254, 20022280, 22024508, 27530635, 44049016, 55061270, 110122540, 220245080]

約数ペア:

[(1, 220245080), (2, 110122540), (4, 55061270), (5, 44049016), (8, 27530635), (10, 22024508), (11, 20022280), (20, 11012254), (22, 10011140), (31, 7104680), (40, 5506127), (44, 5005570), (55, 4004456), (62, 3552340), (67, 3287240), (88, 2502785), (110, 2002228), (124, 1776170), (134, 1643620), (155, 1420936), (220, 1001114), (241, 913880), (248, 888085), (268, 821810), (310, 710468), (335, 657448), (341, 645880), (440, 500557), (482, 456940), (536, 410905), (620, 355234), (670, 328724), (682, 322940), (737, 298840), (964, 228470), (1205, 182776), (1240, 177617), (1340, 164362), (1364, 161470), (1474, 149420), (1705, 129176), (1928, 114235), (2077, 106040), (2410, 91388), (2651, 83080), (2680, 82181), (2728, 80735), (2948, 74710), (3410, 64588), (3685, 59768), (4154, 53020), (4820, 45694), (5302, 41540), (5896, 37355), (6820, 32294), (7370, 29884), (7471, 29480), (8308, 26510), (9640, 22847), (10385, 21208), (10604, 20770), (13255, 16616), (13640, 16147), (14740, 14942)]