86123380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87881}}^1$

素因数の和:87904

約数の個数: 36

約数和(自身を含む): 210389508

約数和(自身を除く): 124266128

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87881, 175762, 351524, 439405, 615167, 878810, 1230334, 1757620, 2460668, 3075835, 4306169, 6151670, 8612338, 12303340, 17224676, 21530845, 43061690, 86123380]

約数ペア:

[(1, 86123380), (2, 43061690), (4, 21530845), (5, 17224676), (7, 12303340), (10, 8612338), (14, 6151670), (20, 4306169), (28, 3075835), (35, 2460668), (49, 1757620), (70, 1230334), (98, 878810), (140, 615167), (196, 439405), (245, 351524), (490, 175762), (980, 87881)]