420325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 24

約数和(自身を含む): 589248

約数和(自身を除く): 168923

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 215, 391, 425, 575, 731, 989, 1075, 1955, 3655, 4945, 9775, 16813, 18275, 24725, 84065, 420325]

約数ペア:

[(1, 420325), (5, 84065), (17, 24725), (23, 18275), (25, 16813), (43, 9775), (85, 4945), (115, 3655), (215, 1955), (391, 1075), (425, 989), (575, 731)]