199905990125

素因数分解:

$5^3\times {\mathrm{1483}}^1\times {\mathrm{1078387}}^1$

素因数の和:1079885

約数の個数: 16

約数和(自身を含む): 249651135552

約数和(自身を除く): 49745145427

約数列:

[1, 5, 25, 125, 1483, 7415, 37075, 185375, 1078387, 5391935, 26959675, 134798375, 1599247921, 7996239605, 39981198025, 199905990125]

約数ペア:

[(1, 199905990125), (5, 39981198025), (25, 7996239605), (125, 1599247921), (1483, 134798375), (7415, 26959675), (37075, 5391935), (185375, 1078387)]