84397880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{787}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 217866240

約数和(自身を除く): 133468360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 787, 1532, 1574, 1915, 2681, 3064, 3148, 3830, 3935, 5362, 5509, 6296, 7660, 7870, 10724, 11018, 13405, 15320, 15740, 21448, 22036, 26810, 27545, 31480, 44072, 53620, 55090, 107240, 110180, 220360, 301421, 602842, 1205684, 1507105, 2109947, 2411368, 3014210, 4219894, 6028420, 8439788, 10549735, 12056840, 16879576, 21099470, 42198940, 84397880]

約数ペア:

[(1, 84397880), (2, 42198940), (4, 21099470), (5, 16879576), (7, 12056840), (8, 10549735), (10, 8439788), (14, 6028420), (20, 4219894), (28, 3014210), (35, 2411368), (40, 2109947), (56, 1507105), (70, 1205684), (140, 602842), (280, 301421), (383, 220360), (766, 110180), (787, 107240), (1532, 55090), (1574, 53620), (1915, 44072), (2681, 31480), (3064, 27545), (3148, 26810), (3830, 22036), (3935, 21448), (5362, 15740), (5509, 15320), (6296, 13405), (7660, 11018), (7870, 10724)]