5040280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 13271040

約数和(自身を除く): 8230760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 383, 470, 658, 766, 940, 1316, 1532, 1645, 1880, 1915, 2632, 2681, 3064, 3290, 3830, 5362, 6580, 7660, 10724, 13160, 13405, 15320, 18001, 21448, 26810, 36002, 53620, 72004, 90005, 107240, 126007, 144008, 180010, 252014, 360020, 504028, 630035, 720040, 1008056, 1260070, 2520140, 5040280]

約数ペア:

[(1, 5040280), (2, 2520140), (4, 1260070), (5, 1008056), (7, 720040), (8, 630035), (10, 504028), (14, 360020), (20, 252014), (28, 180010), (35, 144008), (40, 126007), (47, 107240), (56, 90005), (70, 72004), (94, 53620), (140, 36002), (188, 26810), (235, 21448), (280, 18001), (329, 15320), (376, 13405), (383, 13160), (470, 10724), (658, 7660), (766, 6580), (940, 5362), (1316, 3830), (1532, 3290), (1645, 3064), (1880, 2681), (1915, 2632)]