218857520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1859

約数の個数: 120

約数和(自身を含む): 611353728

約数和(自身を除く): 392496208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1801, 1960, 2170, 2480, 3038, 3472, 3602, 3920, 4340, 6076, 7204, 7595, 8680, 9005, 12152, 12607, 14408, 15190, 17360, 18010, 24304, 25214, 28816, 30380, 36020, 50428, 55831, 60760, 63035, 72040, 88249, 100856, 111662, 121520, 126070, 144080, 176498, 201712, 223324, 252140, 279155, 352996, 390817, 441245, 446648, 504280, 558310, 705992, 781634, 882490, 893296, 1008560, 1116620, 1411984, 1563268, 1764980, 1954085, 2233240, 2735719, 3126536, 3529960, 3908170, 4466480, 5471438, 6253072, 7059920, 7816340, 10942876, 13678595, 15632680, 21885752, 27357190, 31265360, 43771504, 54714380, 109428760, 218857520]

約数ペア:

[(1, 218857520), (2, 109428760), (4, 54714380), (5, 43771504), (7, 31265360), (8, 27357190), (10, 21885752), (14, 15632680), (16, 13678595), (20, 10942876), (28, 7816340), (31, 7059920), (35, 6253072), (40, 5471438), (49, 4466480), (56, 3908170), (62, 3529960), (70, 3126536), (80, 2735719), (98, 2233240), (112, 1954085), (124, 1764980), (140, 1563268), (155, 1411984), (196, 1116620), (217, 1008560), (245, 893296), (248, 882490), (280, 781634), (310, 705992), (392, 558310), (434, 504280), (490, 446648), (496, 441245), (560, 390817), (620, 352996), (784, 279155), (868, 252140), (980, 223324), (1085, 201712), (1240, 176498), (1519, 144080), (1736, 126070), (1801, 121520), (1960, 111662), (2170, 100856), (2480, 88249), (3038, 72040), (3472, 63035), (3602, 60760), (3920, 55831), (4340, 50428), (6076, 36020), (7204, 30380), (7595, 28816), (8680, 25214), (9005, 24304), (12152, 18010), (12607, 17360), (14408, 15190)]