998300.0000000

素因数分解:

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

素因数の和:206

約数の個数: 96

約数和(自身を含む): 20030976

約数和(自身を除く): 12819296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 137, 140, 160, 188, 224, 235, 274, 280, 329, 376, 470, 548, 560, 658, 685, 752, 940, 959, 1096, 1120, 1316, 1370, 1504, 1645, 1880, 1918, 2192, 2632, 2740, 3290, 3760, 3836, 4384, 4795, 5264, 5480, 6439, 6580, 7520, 7672, 9590, 10528, 10960, 12878, 13160, 15344, 19180, 21920, 25756, 26320, 30688, 32195, 38360, 45073, 51512, 52640, 64390, 76720, 90146, 103024, 128780, 153440, 180292, 206048, 225365, 257560, 360584, 450730, 515120, 721168, 901460, 1030240, 1442336, 1802920, 3605840, 7211680]

約数ペア:

[(1, 7211680), (2, 3605840), (4, 1802920), (5, 1442336), (7, 1030240), (8, 901460), (10, 721168), (14, 515120), (16, 450730), (20, 360584), (28, 257560), (32, 225365), (35, 206048), (40, 180292), (47, 153440), (56, 128780), (70, 103024), (80, 90146), (94, 76720), (112, 64390), (137, 52640), (140, 51512), (160, 45073), (188, 38360), (224, 32195), (235, 30688), (274, 26320), (280, 25756), (329, 21920), (376, 19180), (470, 15344), (548, 13160), (560, 12878), (658, 10960), (685, 10528), (752, 9590), (940, 7672), (959, 7520), (1096, 6580), (1120, 6439), (1316, 5480), (1370, 5264), (1504, 4795), (1645, 4384), (1880, 3836), (1918, 3760), (2192, 3290), (2632, 2740)]