87887380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89681}}^1$

素因数の和:89704

約数の個数: 36

約数和(自身を含む): 214698708

約数和(自身を除く): 126811328

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89681, 179362, 358724, 448405, 627767, 896810, 1255534, 1793620, 2511068, 3138835, 4394369, 6277670, 8788738, 12555340, 17577476, 21971845, 43943690, 87887380]

約数ペア:

[(1, 87887380), (2, 43943690), (4, 21971845), (5, 17577476), (7, 12555340), (10, 8788738), (14, 6277670), (20, 4394369), (28, 3138835), (35, 2511068), (49, 1793620), (70, 1255534), (98, 896810), (140, 627767), (196, 448405), (245, 358724), (490, 179362), (980, 89681)]