220877225

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 280026720

約数和(自身を除く): 59149495

約数列:

[1, 5, 25, 67, 163, 335, 809, 815, 1675, 4045, 4075, 10921, 20225, 54203, 54605, 131867, 271015, 273025, 659335, 1355075, 3296675, 8835089, 44175445, 220877225]

約数ペア:

[(1, 220877225), (5, 44175445), (25, 8835089), (67, 3296675), (163, 1355075), (335, 659335), (809, 273025), (815, 271015), (1675, 131867), (4045, 54605), (4075, 54203), (10921, 20225)]