136700440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 342144000

約数和(自身を除く): 205443560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 47, 76, 86, 89, 94, 95, 152, 172, 178, 188, 190, 215, 235, 344, 356, 376, 380, 430, 445, 470, 712, 760, 817, 860, 890, 893, 940, 1634, 1691, 1720, 1780, 1786, 1880, 2021, 3268, 3382, 3560, 3572, 3827, 4042, 4085, 4183, 4465, 6536, 6764, 7144, 7654, 8084, 8170, 8366, 8455, 8930, 10105, 13528, 15308, 16168, 16340, 16732, 16910, 17860, 19135, 20210, 20915, 30616, 32680, 33464, 33820, 35720, 38270, 38399, 40420, 41830, 67640, 72713, 76540, 76798, 79477, 80840, 83660, 145426, 153080, 153596, 158954, 167320, 179869, 191995, 290852, 307192, 317908, 359738, 363565, 383990, 397385, 581704, 635816, 719476, 727130, 767980, 794770, 899345, 1438952, 1454260, 1535960, 1589540, 1798690, 2908520, 3179080, 3417511, 3597380, 6835022, 7194760, 13670044, 17087555, 27340088, 34175110, 68350220, 136700440]

約数ペア:

[(1, 136700440), (2, 68350220), (4, 34175110), (5, 27340088), (8, 17087555), (10, 13670044), (19, 7194760), (20, 6835022), (38, 3597380), (40, 3417511), (43, 3179080), (47, 2908520), (76, 1798690), (86, 1589540), (89, 1535960), (94, 1454260), (95, 1438952), (152, 899345), (172, 794770), (178, 767980), (188, 727130), (190, 719476), (215, 635816), (235, 581704), (344, 397385), (356, 383990), (376, 363565), (380, 359738), (430, 317908), (445, 307192), (470, 290852), (712, 191995), (760, 179869), (817, 167320), (860, 158954), (890, 153596), (893, 153080), (940, 145426), (1634, 83660), (1691, 80840), (1720, 79477), (1780, 76798), (1786, 76540), (1880, 72713), (2021, 67640), (3268, 41830), (3382, 40420), (3560, 38399), (3572, 38270), (3827, 35720), (4042, 33820), (4085, 33464), (4183, 32680), (4465, 30616), (6536, 20915), (6764, 20210), (7144, 19135), (7654, 17860), (8084, 16910), (8170, 16732), (8366, 16340), (8455, 16168), (8930, 15308), (10105, 13528)]