207914240

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1427

約数の個数: 72

約数和(自身を含む): 502333440

約数和(自身を除く): 294419200

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, 1279, 1280, 2032, 2540, 2558, 4064, 5080, 5116, 6395, 8128, 10160, 10232, 12790, 16256, 20320, 20464, 25580, 32512, 40640, 40928, 51160, 81280, 81856, 102320, 162433, 162560, 163712, 204640, 324866, 327424, 409280, 649732, 812165, 818560, 1299464, 1624330, 1637120, 2598928, 3248660, 5197856, 6497320, 10395712, 12994640, 20791424, 25989280, 41582848, 51978560, 103957120, 207914240]

約数ペア:

[(1, 207914240), (2, 103957120), (4, 51978560), (5, 41582848), (8, 25989280), (10, 20791424), (16, 12994640), (20, 10395712), (32, 6497320), (40, 5197856), (64, 3248660), (80, 2598928), (127, 1637120), (128, 1624330), (160, 1299464), (254, 818560), (256, 812165), (320, 649732), (508, 409280), (635, 327424), (640, 324866), (1016, 204640), (1270, 163712), (1279, 162560), (1280, 162433), (2032, 102320), (2540, 81856), (2558, 81280), (4064, 51160), (5080, 40928), (5116, 40640), (6395, 32512), (8128, 25580), (10160, 20464), (10232, 20320), (12790, 16256)]