2178101695

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^2$

素因数の和:150

約数の個数: 108

約数和(自身を含む): 3549561912

約数和(自身を除く): 1371460217

約数列:

[1, 5, 7, 11, 29, 31, 35, 49, 55, 77, 145, 155, 203, 217, 245, 319, 341, 385, 539, 841, 899, 961, 1015, 1085, 1421, 1519, 1595, 1705, 2233, 2387, 2695, 4205, 4495, 4805, 5887, 6293, 6727, 7105, 7595, 9251, 9889, 10571, 11165, 11935, 15631, 16709, 26071, 27869, 29435, 31465, 33635, 41209, 44051, 46255, 47089, 49445, 52855, 64757, 69223, 73997, 78155, 83545, 130355, 139345, 182497, 195083, 206045, 220255, 235445, 286781, 306559, 323785, 346115, 369985, 453299, 484561, 517979, 808201, 912485, 975415, 1277479, 1365581, 1433905, 1532795, 2007467, 2145913, 2266495, 2422805, 2589895, 4041005, 5657407, 6387395, 6827905, 8890211, 10037335, 10729565, 14052269, 15021391, 28287035, 39601849, 44451055, 62231477, 70261345, 75106955, 198009245, 311157385, 435620339, 2178101695]

約数ペア:

[(1, 2178101695), (5, 435620339), (7, 311157385), (11, 198009245), (29, 75106955), (31, 70261345), (35, 62231477), (49, 44451055), (55, 39601849), (77, 28287035), (145, 15021391), (155, 14052269), (203, 10729565), (217, 10037335), (245, 8890211), (319, 6827905), (341, 6387395), (385, 5657407), (539, 4041005), (841, 2589895), (899, 2422805), (961, 2266495), (1015, 2145913), (1085, 2007467), (1421, 1532795), (1519, 1433905), (1595, 1365581), (1705, 1277479), (2233, 975415), (2387, 912485), (2695, 808201), (4205, 517979), (4495, 484561), (4805, 453299), (5887, 369985), (6293, 346115), (6727, 323785), (7105, 306559), (7595, 286781), (9251, 235445), (9889, 220255), (10571, 206045), (11165, 195083), (11935, 182497), (15631, 139345), (16709, 130355), (26071, 83545), (27869, 78155), (29435, 73997), (31465, 69223), (33635, 64757), (41209, 52855), (44051, 49445), (46255, 47089)]