1802920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 4769280

約数和(自身を除く): 2966360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 137, 140, 188, 235, 274, 280, 329, 376, 470, 548, 658, 685, 940, 959, 1096, 1316, 1370, 1645, 1880, 1918, 2632, 2740, 3290, 3836, 4795, 5480, 6439, 6580, 7672, 9590, 12878, 13160, 19180, 25756, 32195, 38360, 45073, 51512, 64390, 90146, 128780, 180292, 225365, 257560, 360584, 450730, 901460, 1802920]

約数ペア:

[(1, 1802920), (2, 901460), (4, 450730), (5, 360584), (7, 257560), (8, 225365), (10, 180292), (14, 128780), (20, 90146), (28, 64390), (35, 51512), (40, 45073), (47, 38360), (56, 32195), (70, 25756), (94, 19180), (137, 13160), (140, 12878), (188, 9590), (235, 7672), (274, 6580), (280, 6439), (329, 5480), (376, 4795), (470, 3836), (548, 3290), (658, 2740), (685, 2632), (940, 1918), (959, 1880), (1096, 1645), (1316, 1370)]