8971060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 21732480

約数和(自身を除く): 12761420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 461, 556, 695, 922, 973, 1390, 1844, 1946, 2305, 2780, 3227, 3892, 4610, 4865, 6454, 9220, 9730, 12908, 16135, 19460, 32270, 64079, 64540, 128158, 256316, 320395, 448553, 640790, 897106, 1281580, 1794212, 2242765, 4485530, 8971060]

約数ペア:

[(1, 8971060), (2, 4485530), (4, 2242765), (5, 1794212), (7, 1281580), (10, 897106), (14, 640790), (20, 448553), (28, 320395), (35, 256316), (70, 128158), (139, 64540), (140, 64079), (278, 32270), (461, 19460), (556, 16135), (695, 12908), (922, 9730), (973, 9220), (1390, 6454), (1844, 4865), (1946, 4610), (2305, 3892), (2780, 3227)]