1319890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 2846016

約数和(自身を除く): 1526126

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 169, 286, 338, 355, 710, 715, 781, 845, 923, 1430, 1562, 1690, 1846, 1859, 3718, 3905, 4615, 7810, 9230, 9295, 10153, 11999, 18590, 20306, 23998, 50765, 59995, 101530, 119990, 131989, 263978, 659945, 1319890]

約数ペア:

[(1, 1319890), (2, 659945), (5, 263978), (10, 131989), (11, 119990), (13, 101530), (22, 59995), (26, 50765), (55, 23998), (65, 20306), (71, 18590), (110, 11999), (130, 10153), (142, 9295), (143, 9230), (169, 7810), (286, 4615), (338, 3905), (355, 3718), (710, 1859), (715, 1846), (781, 1690), (845, 1562), (923, 1430)]