133717640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{997}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 344908800

約数和(自身を除く): 211191160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 958, 997, 1916, 1994, 2395, 3353, 3832, 3988, 4790, 4985, 6706, 6979, 7976, 9580, 9970, 13412, 13958, 16765, 19160, 19940, 26824, 27916, 33530, 34895, 39880, 55832, 67060, 69790, 134120, 139580, 279160, 477563, 955126, 1910252, 2387815, 3342941, 3820504, 4775630, 6685882, 9551260, 13371764, 16714705, 19102520, 26743528, 33429410, 66858820, 133717640]

約数ペア:

[(1, 133717640), (2, 66858820), (4, 33429410), (5, 26743528), (7, 19102520), (8, 16714705), (10, 13371764), (14, 9551260), (20, 6685882), (28, 4775630), (35, 3820504), (40, 3342941), (56, 2387815), (70, 1910252), (140, 955126), (280, 477563), (479, 279160), (958, 139580), (997, 134120), (1916, 69790), (1994, 67060), (2395, 55832), (3353, 39880), (3832, 34895), (3988, 33530), (4790, 27916), (4985, 26824), (6706, 19940), (6979, 19160), (7976, 16765), (9580, 13958), (9970, 13412)]