4140860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 9707040

約数和(自身を除く): 5566180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 641, 646, 1282, 1292, 1615, 2564, 3205, 3230, 6410, 6460, 10897, 12179, 12820, 21794, 24358, 43588, 48716, 54485, 60895, 108970, 121790, 207043, 217940, 243580, 414086, 828172, 1035215, 2070430, 4140860]

約数ペア:

[(1, 4140860), (2, 2070430), (4, 1035215), (5, 828172), (10, 414086), (17, 243580), (19, 217940), (20, 207043), (34, 121790), (38, 108970), (68, 60895), (76, 54485), (85, 48716), (95, 43588), (170, 24358), (190, 21794), (323, 12820), (340, 12179), (380, 10897), (641, 6460), (646, 6410), (1282, 3230), (1292, 3205), (1615, 2564)]