12459790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 27371520

約数和(自身を除く): 14911730

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 71, 109, 115, 142, 161, 218, 230, 322, 355, 497, 545, 710, 763, 805, 994, 1090, 1526, 1610, 1633, 2485, 2507, 3266, 3815, 4970, 5014, 7630, 7739, 8165, 11431, 12535, 15478, 16330, 17549, 22862, 25070, 35098, 38695, 54173, 57155, 77390, 87745, 108346, 114310, 175490, 177997, 270865, 355994, 541730, 889985, 1245979, 1779970, 2491958, 6229895, 12459790]

約数ペア:

[(1, 12459790), (2, 6229895), (5, 2491958), (7, 1779970), (10, 1245979), (14, 889985), (23, 541730), (35, 355994), (46, 270865), (70, 177997), (71, 175490), (109, 114310), (115, 108346), (142, 87745), (161, 77390), (218, 57155), (230, 54173), (322, 38695), (355, 35098), (497, 25070), (545, 22862), (710, 17549), (763, 16330), (805, 15478), (994, 12535), (1090, 11431), (1526, 8165), (1610, 7739), (1633, 7630), (2485, 5014), (2507, 4970), (3266, 3815)]