247954490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 535002624

約数和(自身を除く): 287048134

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 337, 457, 674, 805, 914, 1610, 1685, 2285, 2359, 3199, 3370, 4570, 4718, 6398, 7751, 10511, 11795, 15502, 15995, 21022, 23590, 31990, 38755, 52555, 54257, 73577, 77510, 105110, 108514, 147154, 154009, 271285, 308018, 367885, 542570, 735770, 770045, 1078063, 1540090, 2156126, 3542207, 5390315, 7084414, 10780630, 17711035, 24795449, 35422070, 49590898, 123977245, 247954490]

約数ペア:

[(1, 247954490), (2, 123977245), (5, 49590898), (7, 35422070), (10, 24795449), (14, 17711035), (23, 10780630), (35, 7084414), (46, 5390315), (70, 3542207), (115, 2156126), (161, 1540090), (230, 1078063), (322, 770045), (337, 735770), (457, 542570), (674, 367885), (805, 308018), (914, 271285), (1610, 154009), (1685, 147154), (2285, 108514), (2359, 105110), (3199, 77510), (3370, 73577), (4570, 54257), (4718, 52555), (6398, 38755), (7751, 31990), (10511, 23590), (11795, 21022), (15502, 15995)]