402091775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4297}}^1$

素因数の和:4523

約数の個数: 24

約数和(自身を含む): 527622480

約数和(自身を除く): 125530705

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 3743, 4297, 4925, 18715, 21485, 81643, 93575, 107425, 408215, 846509, 2041075, 4232545, 16083671, 21162725, 80418355, 402091775]

約数ペア:

[(1, 402091775), (5, 80418355), (19, 21162725), (25, 16083671), (95, 4232545), (197, 2041075), (475, 846509), (985, 408215), (3743, 107425), (4297, 93575), (4925, 81643), (18715, 21485)]