43990240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 125483904

約数和(自身を除く): 81493664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 181, 196, 217, 224, 245, 248, 280, 310, 362, 392, 434, 490, 496, 560, 620, 724, 784, 868, 905, 980, 992, 1085, 1120, 1240, 1267, 1448, 1519, 1568, 1736, 1810, 1960, 2170, 2480, 2534, 2896, 3038, 3472, 3620, 3920, 4340, 4960, 5068, 5611, 5792, 6076, 6335, 6944, 7240, 7595, 7840, 8680, 8869, 10136, 11222, 12152, 12670, 14480, 15190, 17360, 17738, 20272, 22444, 24304, 25340, 28055, 28960, 30380, 34720, 35476, 39277, 40544, 44345, 44888, 48608, 50680, 56110, 60760, 70952, 78554, 88690, 89776, 101360, 112220, 121520, 141904, 157108, 177380, 179552, 196385, 202720, 224440, 243040, 274939, 283808, 314216, 354760, 392770, 448880, 549878, 628432, 709520, 785540, 897760, 1099756, 1256864, 1374695, 1419040, 1571080, 2199512, 2749390, 3142160, 4399024, 5498780, 6284320, 8798048, 10997560, 21995120, 43990240]

約数ペア:

[(1, 43990240), (2, 21995120), (4, 10997560), (5, 8798048), (7, 6284320), (8, 5498780), (10, 4399024), (14, 3142160), (16, 2749390), (20, 2199512), (28, 1571080), (31, 1419040), (32, 1374695), (35, 1256864), (40, 1099756), (49, 897760), (56, 785540), (62, 709520), (70, 628432), (80, 549878), (98, 448880), (112, 392770), (124, 354760), (140, 314216), (155, 283808), (160, 274939), (181, 243040), (196, 224440), (217, 202720), (224, 196385), (245, 179552), (248, 177380), (280, 157108), (310, 141904), (362, 121520), (392, 112220), (434, 101360), (490, 89776), (496, 88690), (560, 78554), (620, 70952), (724, 60760), (784, 56110), (868, 50680), (905, 48608), (980, 44888), (992, 44345), (1085, 40544), (1120, 39277), (1240, 35476), (1267, 34720), (1448, 30380), (1519, 28960), (1568, 28055), (1736, 25340), (1810, 24304), (1960, 22444), (2170, 20272), (2480, 17738), (2534, 17360), (2896, 15190), (3038, 14480), (3472, 12670), (3620, 12152), (3920, 11222), (4340, 10136), (4960, 8869), (5068, 8680), (5611, 7840), (5792, 7595), (6076, 7240), (6335, 6944)]