68398400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 168

約数和(自身を含む): 199558656

約数和(自身を除く): 131160256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 140, 155, 160, 175, 197, 200, 217, 224, 248, 280, 310, 320, 350, 394, 400, 434, 448, 496, 560, 620, 700, 775, 788, 800, 868, 985, 992, 1085, 1120, 1240, 1379, 1400, 1550, 1576, 1600, 1736, 1970, 1984, 2170, 2240, 2480, 2758, 2800, 3100, 3152, 3472, 3940, 4340, 4925, 4960, 5425, 5516, 5600, 6107, 6200, 6304, 6895, 6944, 7880, 8680, 9850, 9920, 10850, 11032, 11200, 12214, 12400, 12608, 13790, 13888, 15760, 17360, 19700, 21700, 22064, 24428, 24800, 27580, 30535, 31520, 34475, 34720, 39400, 42749, 43400, 44128, 48856, 49600, 55160, 61070, 63040, 68950, 69440, 78800, 85498, 86800, 88256, 97712, 110320, 122140, 137900, 152675, 157600, 170996, 173600, 195424, 213745, 220640, 244280, 275800, 305350, 315200, 341992, 347200, 390848, 427490, 441280, 488560, 551600, 610700, 683984, 854980, 977120, 1068725, 1103200, 1221400, 1367968, 1709960, 1954240, 2137450, 2206400, 2442800, 2735936, 3419920, 4274900, 4885600, 6839840, 8549800, 9771200, 13679680, 17099600, 34199200, 68398400]

約数ペア:

[(1, 68398400), (2, 34199200), (4, 17099600), (5, 13679680), (7, 9771200), (8, 8549800), (10, 6839840), (14, 4885600), (16, 4274900), (20, 3419920), (25, 2735936), (28, 2442800), (31, 2206400), (32, 2137450), (35, 1954240), (40, 1709960), (50, 1367968), (56, 1221400), (62, 1103200), (64, 1068725), (70, 977120), (80, 854980), (100, 683984), (112, 610700), (124, 551600), (140, 488560), (155, 441280), (160, 427490), (175, 390848), (197, 347200), (200, 341992), (217, 315200), (224, 305350), (248, 275800), (280, 244280), (310, 220640), (320, 213745), (350, 195424), (394, 173600), (400, 170996), (434, 157600), (448, 152675), (496, 137900), (560, 122140), (620, 110320), (700, 97712), (775, 88256), (788, 86800), (800, 85498), (868, 78800), (985, 69440), (992, 68950), (1085, 63040), (1120, 61070), (1240, 55160), (1379, 49600), (1400, 48856), (1550, 44128), (1576, 43400), (1600, 42749), (1736, 39400), (1970, 34720), (1984, 34475), (2170, 31520), (2240, 30535), (2480, 27580), (2758, 24800), (2800, 24428), (3100, 22064), (3152, 21700), (3472, 19700), (3940, 17360), (4340, 15760), (4925, 13888), (4960, 13790), (5425, 12608), (5516, 12400), (5600, 12214), (6107, 11200), (6200, 11032), (6304, 10850), (6895, 9920), (6944, 9850), (7880, 8680)]