2018745125

素因数分解:

$5^3\times {\mathrm{149}}^1\times {\mathrm{283}}^1\times {\mathrm{383}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 2551910400

約数和(自身を除く): 533165275

約数列:

[1, 5, 25, 125, 149, 283, 383, 745, 1415, 1915, 3725, 7075, 9575, 18625, 35375, 42167, 47875, 57067, 108389, 210835, 285335, 541945, 1054175, 1426675, 2709725, 5270875, 7133375, 13548625, 16149961, 80749805, 403749025, 2018745125]

約数ペア:

[(1, 2018745125), (5, 403749025), (25, 80749805), (125, 16149961), (149, 13548625), (283, 7133375), (383, 5270875), (745, 2709725), (1415, 1426675), (1915, 1054175), (3725, 541945), (7075, 285335), (9575, 210835), (18625, 108389), (35375, 57067), (42167, 47875)]