2106604805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 2814194880

約数和(自身を除く): 707590075

約数列:

[1, 5, 29, 37, 41, 61, 145, 157, 185, 205, 305, 785, 1073, 1189, 1517, 1769, 2257, 2501, 4553, 5365, 5809, 5945, 6437, 7585, 8845, 9577, 11285, 12505, 22765, 29045, 32185, 43993, 47885, 65453, 72529, 92537, 168461, 186673, 219965, 238169, 277733, 327265, 354349, 362645, 392657, 462685, 842305, 933365, 1190845, 1388665, 1771745, 1963285, 2683573, 6906901, 10276121, 11387053, 13417865, 14528309, 34534505, 51380605, 56935265, 72641545, 421320961, 2106604805]

約数ペア:

[(1, 2106604805), (5, 421320961), (29, 72641545), (37, 56935265), (41, 51380605), (61, 34534505), (145, 14528309), (157, 13417865), (185, 11387053), (205, 10276121), (305, 6906901), (785, 2683573), (1073, 1963285), (1189, 1771745), (1517, 1388665), (1769, 1190845), (2257, 933365), (2501, 842305), (4553, 462685), (5365, 392657), (5809, 362645), (5945, 354349), (6437, 327265), (7585, 277733), (8845, 238169), (9577, 219965), (11285, 186673), (12505, 168461), (22765, 92537), (29045, 72529), (32185, 65453), (43993, 47885)]