1804925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2422464

約数和(自身を除く): 617539

約数列:

[1, 5, 23, 25, 43, 73, 115, 215, 365, 575, 989, 1075, 1679, 1825, 3139, 4945, 8395, 15695, 24725, 41975, 72197, 78475, 360985, 1804925]

約数ペア:

[(1, 1804925), (5, 360985), (23, 78475), (25, 72197), (43, 41975), (73, 24725), (115, 15695), (215, 8395), (365, 4945), (575, 3139), (989, 1825), (1075, 1679)]