89765620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1523}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 216091008

約数和(自身を除く): 126325388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1523, 1684, 2105, 2947, 3046, 4210, 5894, 6092, 7615, 8420, 10661, 11788, 14735, 15230, 21322, 29470, 30460, 42644, 53305, 58940, 106610, 213220, 641183, 1282366, 2564732, 3205915, 4488281, 6411830, 8976562, 12823660, 17953124, 22441405, 44882810, 89765620]

約数ペア:

[(1, 89765620), (2, 44882810), (4, 22441405), (5, 17953124), (7, 12823660), (10, 8976562), (14, 6411830), (20, 4488281), (28, 3205915), (35, 2564732), (70, 1282366), (140, 641183), (421, 213220), (842, 106610), (1523, 58940), (1684, 53305), (2105, 42644), (2947, 30460), (3046, 29470), (4210, 21322), (5894, 15230), (6092, 14735), (7615, 11788), (8420, 10661)]