289369360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 803734272

約数和(自身を除く): 514364912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 61, 70, 80, 86, 112, 122, 140, 172, 197, 215, 244, 280, 301, 305, 344, 394, 427, 430, 488, 560, 602, 610, 688, 788, 854, 860, 976, 985, 1204, 1220, 1379, 1505, 1576, 1708, 1720, 1970, 2135, 2408, 2440, 2623, 2758, 3010, 3152, 3416, 3440, 3940, 4270, 4816, 4880, 5246, 5516, 6020, 6832, 6895, 7880, 8471, 8540, 10492, 11032, 12017, 12040, 13115, 13790, 15760, 16942, 17080, 18361, 20984, 22064, 24034, 24080, 26230, 27580, 33884, 34160, 36722, 41968, 42355, 48068, 52460, 55160, 59297, 60085, 67768, 73444, 84119, 84710, 91805, 96136, 104920, 110320, 118594, 120170, 135536, 146888, 168238, 169420, 183610, 192272, 209840, 237188, 240340, 293776, 296485, 336476, 338840, 367220, 420595, 474376, 480680, 516731, 592970, 672952, 677680, 734440, 841190, 948752, 961360, 1033462, 1185940, 1345904, 1468880, 1682380, 2066924, 2371880, 2583655, 3364760, 3617117, 4133848, 4743760, 5167310, 6729520, 7234234, 8267696, 10334620, 14468468, 18085585, 20669240, 28936936, 36171170, 41338480, 57873872, 72342340, 144684680, 289369360]

約数ペア:

[(1, 289369360), (2, 144684680), (4, 72342340), (5, 57873872), (7, 41338480), (8, 36171170), (10, 28936936), (14, 20669240), (16, 18085585), (20, 14468468), (28, 10334620), (35, 8267696), (40, 7234234), (43, 6729520), (56, 5167310), (61, 4743760), (70, 4133848), (80, 3617117), (86, 3364760), (112, 2583655), (122, 2371880), (140, 2066924), (172, 1682380), (197, 1468880), (215, 1345904), (244, 1185940), (280, 1033462), (301, 961360), (305, 948752), (344, 841190), (394, 734440), (427, 677680), (430, 672952), (488, 592970), (560, 516731), (602, 480680), (610, 474376), (688, 420595), (788, 367220), (854, 338840), (860, 336476), (976, 296485), (985, 293776), (1204, 240340), (1220, 237188), (1379, 209840), (1505, 192272), (1576, 183610), (1708, 169420), (1720, 168238), (1970, 146888), (2135, 135536), (2408, 120170), (2440, 118594), (2623, 110320), (2758, 104920), (3010, 96136), (3152, 91805), (3416, 84710), (3440, 84119), (3940, 73444), (4270, 67768), (4816, 60085), (4880, 59297), (5246, 55160), (5516, 52460), (6020, 48068), (6832, 42355), (6895, 41968), (7880, 36722), (8471, 34160), (8540, 33884), (10492, 27580), (11032, 26230), (12017, 24080), (12040, 24034), (13115, 22064), (13790, 20984), (15760, 18361), (16942, 17080)]