28199710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 64571904

約数和(自身を除く): 36372194

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 530, 583, 691, 742, 770, 1166, 1382, 1855, 2915, 3455, 3710, 4081, 4837, 5830, 6910, 7601, 8162, 9674, 15202, 20405, 24185, 36623, 38005, 40810, 48370, 53207, 73246, 76010, 106414, 183115, 256361, 266035, 366230, 402853, 512722, 532070, 805706, 1281805, 2014265, 2563610, 2819971, 4028530, 5639942, 14099855, 28199710]

約数ペア:

[(1, 28199710), (2, 14099855), (5, 5639942), (7, 4028530), (10, 2819971), (11, 2563610), (14, 2014265), (22, 1281805), (35, 805706), (53, 532070), (55, 512722), (70, 402853), (77, 366230), (106, 266035), (110, 256361), (154, 183115), (265, 106414), (371, 76010), (385, 73246), (530, 53207), (583, 48370), (691, 40810), (742, 38005), (770, 36623), (1166, 24185), (1382, 20405), (1855, 15202), (2915, 9674), (3455, 8162), (3710, 7601), (4081, 6910), (4837, 5830)]