7220125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 10108800

約数和(自身を除く): 2888675

約数列:

[1, 5, 11, 25, 55, 59, 89, 125, 275, 295, 445, 649, 979, 1375, 1475, 2225, 3245, 4895, 5251, 7375, 11125, 16225, 24475, 26255, 57761, 81125, 122375, 131275, 288805, 656375, 1444025, 7220125]

約数ペア:

[(1, 7220125), (5, 1444025), (11, 656375), (25, 288805), (55, 131275), (59, 122375), (89, 81125), (125, 57761), (275, 26255), (295, 24475), (445, 16225), (649, 11125), (979, 7375), (1375, 5251), (1475, 4895), (2225, 3245)]