2172175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 3013200

約数和(自身を除く): 841025

約数列:

[1, 5, 17, 19, 25, 85, 95, 269, 323, 425, 475, 1345, 1615, 4573, 5111, 6725, 8075, 22865, 25555, 86887, 114325, 127775, 434435, 2172175]

約数ペア:

[(1, 2172175), (5, 434435), (17, 127775), (19, 114325), (25, 86887), (85, 25555), (95, 22865), (269, 8075), (323, 6725), (425, 5111), (475, 4573), (1345, 1615)]