214921840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 587774880

約数和(自身を除く): 372853040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 196, 218, 245, 280, 392, 436, 490, 503, 545, 560, 763, 784, 872, 980, 1006, 1090, 1526, 1744, 1960, 2012, 2180, 2515, 3052, 3521, 3815, 3920, 4024, 4360, 5030, 5341, 6104, 7042, 7630, 8048, 8720, 10060, 10682, 12208, 14084, 15260, 17605, 20120, 21364, 24647, 26705, 28168, 30520, 35210, 40240, 42728, 49294, 53410, 54827, 56336, 61040, 70420, 85456, 98588, 106820, 109654, 123235, 140840, 197176, 213640, 219308, 246470, 274135, 281680, 383789, 394352, 427280, 438616, 492940, 548270, 767578, 877232, 985880, 1096540, 1535156, 1918945, 1971760, 2193080, 2686523, 3070312, 3837890, 4386160, 5373046, 6140624, 7675780, 10746092, 13432615, 15351560, 21492184, 26865230, 30703120, 42984368, 53730460, 107460920, 214921840]

約数ペア:

[(1, 214921840), (2, 107460920), (4, 53730460), (5, 42984368), (7, 30703120), (8, 26865230), (10, 21492184), (14, 15351560), (16, 13432615), (20, 10746092), (28, 7675780), (35, 6140624), (40, 5373046), (49, 4386160), (56, 3837890), (70, 3070312), (80, 2686523), (98, 2193080), (109, 1971760), (112, 1918945), (140, 1535156), (196, 1096540), (218, 985880), (245, 877232), (280, 767578), (392, 548270), (436, 492940), (490, 438616), (503, 427280), (545, 394352), (560, 383789), (763, 281680), (784, 274135), (872, 246470), (980, 219308), (1006, 213640), (1090, 197176), (1526, 140840), (1744, 123235), (1960, 109654), (2012, 106820), (2180, 98588), (2515, 85456), (3052, 70420), (3521, 61040), (3815, 56336), (3920, 54827), (4024, 53410), (4360, 49294), (5030, 42728), (5341, 40240), (6104, 35210), (7042, 30520), (7630, 28168), (8048, 26705), (8720, 24647), (10060, 21364), (10682, 20120), (12208, 17605), (14084, 15260)]