71467480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5209}}^1$

素因数の和:5241

約数の個数: 64

約数和(自身を含む): 187560000

約数和(自身を除く): 116092520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5209, 6860, 10418, 13720, 20836, 26045, 36463, 41672, 52090, 72926, 104180, 145852, 182315, 208360, 255241, 291704, 364630, 510482, 729260, 1020964, 1276205, 1458520, 1786687, 2041928, 2552410, 3573374, 5104820, 7146748, 8933435, 10209640, 14293496, 17866870, 35733740, 71467480]

約数ペア:

[(1, 71467480), (2, 35733740), (4, 17866870), (5, 14293496), (7, 10209640), (8, 8933435), (10, 7146748), (14, 5104820), (20, 3573374), (28, 2552410), (35, 2041928), (40, 1786687), (49, 1458520), (56, 1276205), (70, 1020964), (98, 729260), (140, 510482), (196, 364630), (245, 291704), (280, 255241), (343, 208360), (392, 182315), (490, 145852), (686, 104180), (980, 72926), (1372, 52090), (1715, 41672), (1960, 36463), (2744, 26045), (3430, 20836), (5209, 13720), (6860, 10418)]