686551880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{2311}}^1$

素因数の和:3390

約数の個数: 64

約数和(自身を含む): 1767847680

約数和(自身を除く): 1081295800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1061, 2122, 2311, 4244, 4622, 5305, 7427, 8488, 9244, 10610, 11555, 14854, 16177, 18488, 21220, 23110, 29708, 32354, 37135, 42440, 46220, 59416, 64708, 74270, 80885, 92440, 129416, 148540, 161770, 297080, 323540, 647080, 2451971, 4903942, 9807884, 12259855, 17163797, 19615768, 24519710, 34327594, 49039420, 68655188, 85818985, 98078840, 137310376, 171637970, 343275940, 686551880]

約数ペア:

[(1, 686551880), (2, 343275940), (4, 171637970), (5, 137310376), (7, 98078840), (8, 85818985), (10, 68655188), (14, 49039420), (20, 34327594), (28, 24519710), (35, 19615768), (40, 17163797), (56, 12259855), (70, 9807884), (140, 4903942), (280, 2451971), (1061, 647080), (2122, 323540), (2311, 297080), (4244, 161770), (4622, 148540), (5305, 129416), (7427, 92440), (8488, 80885), (9244, 74270), (10610, 64708), (11555, 59416), (14854, 46220), (16177, 42440), (18488, 37135), (21220, 32354), (23110, 29708)]