388114775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1619}}^1$

素因数の和:1895

約数の個数: 24

約数和(自身を含む): 494968320

約数和(自身を除く): 106853545

約数列:

[1, 5, 25, 43, 215, 223, 1075, 1115, 1619, 5575, 8095, 9589, 40475, 47945, 69617, 239725, 348085, 361037, 1740425, 1805185, 9025925, 15524591, 77622955, 388114775]

約数ペア:

[(1, 388114775), (5, 77622955), (25, 15524591), (43, 9025925), (215, 1805185), (223, 1740425), (1075, 361037), (1115, 348085), (1619, 239725), (5575, 69617), (8095, 47945), (9589, 40475)]