2520140

素因数分解:

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

素因数の和:446

約数の個数: 48

約数和(自身を含む): 6193152

約数和(自身を除く): 3673012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 383, 470, 658, 766, 940, 1316, 1532, 1645, 1915, 2681, 3290, 3830, 5362, 6580, 7660, 10724, 13405, 18001, 26810, 36002, 53620, 72004, 90005, 126007, 180010, 252014, 360020, 504028, 630035, 1260070, 2520140]

約数ペア:

[(1, 2520140), (2, 1260070), (4, 630035), (5, 504028), (7, 360020), (10, 252014), (14, 180010), (20, 126007), (28, 90005), (35, 72004), (47, 53620), (70, 36002), (94, 26810), (140, 18001), (188, 13405), (235, 10724), (329, 7660), (383, 6580), (470, 5362), (658, 3830), (766, 3290), (940, 2681), (1316, 1915), (1532, 1645)]