138184340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51949}}^1$

素因数の和:51984

約数の個数: 48

約数和(自身を含む): 349104000

約数和(自身を除く): 210919660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 51949, 103898, 207796, 259745, 363643, 519490, 727286, 987031, 1038980, 1454572, 1818215, 1974062, 3636430, 3948124, 4935155, 6909217, 7272860, 9870310, 13818434, 19740620, 27636868, 34546085, 69092170, 138184340]

約数ペア:

[(1, 138184340), (2, 69092170), (4, 34546085), (5, 27636868), (7, 19740620), (10, 13818434), (14, 9870310), (19, 7272860), (20, 6909217), (28, 4935155), (35, 3948124), (38, 3636430), (70, 1974062), (76, 1818215), (95, 1454572), (133, 1038980), (140, 987031), (190, 727286), (266, 519490), (380, 363643), (532, 259745), (665, 207796), (1330, 103898), (2660, 51949)]