209542690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 450489600

約数和(自身を除く): 240946910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 109, 145, 203, 218, 290, 406, 545, 763, 947, 1015, 1090, 1526, 1894, 2030, 3161, 3815, 4735, 6322, 6629, 7630, 9470, 13258, 15805, 22127, 27463, 31610, 33145, 44254, 54926, 66290, 103223, 110635, 137315, 192241, 206446, 221270, 274630, 384482, 516115, 722561, 961205, 1032230, 1445122, 1922410, 2993467, 3612805, 5986934, 7225610, 14967335, 20954269, 29934670, 41908538, 104771345, 209542690]

約数ペア:

[(1, 209542690), (2, 104771345), (5, 41908538), (7, 29934670), (10, 20954269), (14, 14967335), (29, 7225610), (35, 5986934), (58, 3612805), (70, 2993467), (109, 1922410), (145, 1445122), (203, 1032230), (218, 961205), (290, 722561), (406, 516115), (545, 384482), (763, 274630), (947, 221270), (1015, 206446), (1090, 192241), (1526, 137315), (1894, 110635), (2030, 103223), (3161, 66290), (3815, 54926), (4735, 44254), (6322, 33145), (6629, 31610), (7630, 27463), (9470, 22127), (13258, 15805)]