219951200

素因数分解:

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

素因数の和:246

約数の個数: 216

約数和(自身を含む): 648333504

約数和(自身を除く): 428382304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 160, 175, 181, 196, 200, 217, 224, 245, 248, 280, 310, 350, 362, 392, 400, 434, 490, 496, 560, 620, 700, 724, 775, 784, 800, 868, 905, 980, 992, 1085, 1120, 1225, 1240, 1267, 1400, 1448, 1519, 1550, 1568, 1736, 1810, 1960, 2170, 2450, 2480, 2534, 2800, 2896, 3038, 3100, 3472, 3620, 3920, 4340, 4525, 4900, 4960, 5068, 5425, 5600, 5611, 5792, 6076, 6200, 6335, 6944, 7240, 7595, 7840, 8680, 8869, 9050, 9800, 10136, 10850, 11222, 12152, 12400, 12670, 14480, 15190, 17360, 17738, 18100, 19600, 20272, 21700, 22444, 24304, 24800, 25340, 28055, 28960, 30380, 31675, 34720, 35476, 36200, 37975, 39200, 39277, 40544, 43400, 44345, 44888, 48608, 50680, 56110, 60760, 63350, 70952, 72400, 75950, 78554, 86800, 88690, 89776, 101360, 112220, 121520, 126700, 140275, 141904, 144800, 151900, 157108, 173600, 177380, 179552, 196385, 202720, 221725, 224440, 243040, 253400, 274939, 280550, 283808, 303800, 314216, 354760, 392770, 443450, 448880, 506800, 549878, 561100, 607600, 628432, 709520, 785540, 886900, 897760, 981925, 1013600, 1099756, 1122200, 1215200, 1256864, 1374695, 1419040, 1571080, 1773800, 1963850, 2199512, 2244400, 2749390, 3142160, 3547600, 3927700, 4399024, 4488800, 5498780, 6284320, 6873475, 7095200, 7855400, 8798048, 10997560, 13746950, 15710800, 21995120, 27493900, 31421600, 43990240, 54987800, 109975600, 219951200]

約数ペア:

[(1, 219951200), (2, 109975600), (4, 54987800), (5, 43990240), (7, 31421600), (8, 27493900), (10, 21995120), (14, 15710800), (16, 13746950), (20, 10997560), (25, 8798048), (28, 7855400), (31, 7095200), (32, 6873475), (35, 6284320), (40, 5498780), (49, 4488800), (50, 4399024), (56, 3927700), (62, 3547600), (70, 3142160), (80, 2749390), (98, 2244400), (100, 2199512), (112, 1963850), (124, 1773800), (140, 1571080), (155, 1419040), (160, 1374695), (175, 1256864), (181, 1215200), (196, 1122200), (200, 1099756), (217, 1013600), (224, 981925), (245, 897760), (248, 886900), (280, 785540), (310, 709520), (350, 628432), (362, 607600), (392, 561100), (400, 549878), (434, 506800), (490, 448880), (496, 443450), (560, 392770), (620, 354760), (700, 314216), (724, 303800), (775, 283808), (784, 280550), (800, 274939), (868, 253400), (905, 243040), (980, 224440), (992, 221725), (1085, 202720), (1120, 196385), (1225, 179552), (1240, 177380), (1267, 173600), (1400, 157108), (1448, 151900), (1519, 144800), (1550, 141904), (1568, 140275), (1736, 126700), (1810, 121520), (1960, 112220), (2170, 101360), (2450, 89776), (2480, 88690), (2534, 86800), (2800, 78554), (2896, 75950), (3038, 72400), (3100, 70952), (3472, 63350), (3620, 60760), (3920, 56110), (4340, 50680), (4525, 48608), (4900, 44888), (4960, 44345), (5068, 43400), (5425, 40544), (5600, 39277), (5611, 39200), (5792, 37975), (6076, 36200), (6200, 35476), (6335, 34720), (6944, 31675), (7240, 30380), (7595, 28960), (7840, 28055), (8680, 25340), (8869, 24800), (9050, 24304), (9800, 22444), (10136, 21700), (10850, 20272), (11222, 19600), (12152, 18100), (12400, 17738), (12670, 17360), (14480, 15190)]