86974780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{228881}}^1$

素因数の和:228909

約数の個数: 24

約数和(自身を含む): 192260880

約数和(自身を除く): 105286100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 228881, 457762, 915524, 1144405, 2288810, 4348739, 4577620, 8697478, 17394956, 21743695, 43487390, 86974780]

約数ペア:

[(1, 86974780), (2, 43487390), (4, 21743695), (5, 17394956), (10, 8697478), (19, 4577620), (20, 4348739), (38, 2288810), (76, 1144405), (95, 915524), (190, 457762), (380, 228881)]