211490560

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 510967296

約数和(自身を除く): 299476736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1301, 2032, 2540, 2602, 4064, 5080, 5204, 6505, 8128, 10160, 10408, 13010, 16256, 20320, 20816, 26020, 32512, 40640, 41632, 52040, 81280, 83264, 104080, 162560, 165227, 166528, 208160, 330454, 333056, 416320, 660908, 826135, 832640, 1321816, 1652270, 1665280, 2643632, 3304540, 5287264, 6609080, 10574528, 13218160, 21149056, 26436320, 42298112, 52872640, 105745280, 211490560]

約数ペア:

[(1, 211490560), (2, 105745280), (4, 52872640), (5, 42298112), (8, 26436320), (10, 21149056), (16, 13218160), (20, 10574528), (32, 6609080), (40, 5287264), (64, 3304540), (80, 2643632), (127, 1665280), (128, 1652270), (160, 1321816), (254, 832640), (256, 826135), (320, 660908), (508, 416320), (635, 333056), (640, 330454), (1016, 208160), (1270, 166528), (1280, 165227), (1301, 162560), (2032, 104080), (2540, 83264), (2602, 81280), (4064, 52040), (5080, 41632), (5204, 40640), (6505, 32512), (8128, 26020), (10160, 20816), (10408, 20320), (13010, 16256)]