1909006925

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 3047332860

約数和(自身を除く): 1138325935

約数列:

[1, 5, 7, 17, 25, 29, 35, 49, 85, 109, 119, 145, 175, 203, 245, 425, 493, 545, 595, 725, 763, 833, 841, 1015, 1225, 1421, 1853, 2465, 2725, 2975, 3161, 3451, 3815, 4165, 4205, 5075, 5341, 5887, 7105, 9265, 12325, 12971, 14297, 15805, 17255, 19075, 20825, 21025, 22127, 24157, 26705, 29435, 35525, 41209, 46325, 53737, 64855, 71485, 79025, 86275, 90797, 91669, 100079, 110635, 120785, 133525, 147175, 154889, 206045, 268685, 324275, 357425, 376159, 453985, 458345, 500395, 553175, 603925, 641683, 700553, 774445, 1030225, 1343425, 1558373, 1880795, 2269925, 2291725, 2501975, 2633113, 3208415, 3502765, 3872225, 4491781, 7791865, 9403975, 10908611, 13165565, 16042075, 17513825, 22458905, 38959325, 54543055, 65827825, 76360277, 112294525, 272715275, 381801385, 1909006925]

約数ペア:

[(1, 1909006925), (5, 381801385), (7, 272715275), (17, 112294525), (25, 76360277), (29, 65827825), (35, 54543055), (49, 38959325), (85, 22458905), (109, 17513825), (119, 16042075), (145, 13165565), (175, 10908611), (203, 9403975), (245, 7791865), (425, 4491781), (493, 3872225), (545, 3502765), (595, 3208415), (725, 2633113), (763, 2501975), (833, 2291725), (841, 2269925), (1015, 1880795), (1225, 1558373), (1421, 1343425), (1853, 1030225), (2465, 774445), (2725, 700553), (2975, 641683), (3161, 603925), (3451, 553175), (3815, 500395), (4165, 458345), (4205, 453985), (5075, 376159), (5341, 357425), (5887, 324275), (7105, 268685), (9265, 206045), (12325, 154889), (12971, 147175), (14297, 133525), (15805, 120785), (17255, 110635), (19075, 100079), (20825, 91669), (21025, 90797), (22127, 86275), (24157, 79025), (26705, 71485), (29435, 64855), (35525, 53737), (41209, 46325)]