190023880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{110479}}^1$

素因数の和:110533

約数の個数: 32

約数和(自身を含む): 437500800

約数和(自身を除く): 247476920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 110479, 220958, 441916, 552395, 883832, 1104790, 2209580, 4419160, 4750597, 9501194, 19002388, 23752985, 38004776, 47505970, 95011940, 190023880]

約数ペア:

[(1, 190023880), (2, 95011940), (4, 47505970), (5, 38004776), (8, 23752985), (10, 19002388), (20, 9501194), (40, 4750597), (43, 4419160), (86, 2209580), (172, 1104790), (215, 883832), (344, 552395), (430, 441916), (860, 220958), (1720, 110479)]