221433125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 301778400

約数和(自身を除く): 80345275

約数列:

[1, 5, 19, 25, 29, 95, 125, 145, 475, 551, 625, 643, 725, 2375, 2755, 3215, 3625, 11875, 12217, 13775, 16075, 18125, 18647, 61085, 68875, 80375, 93235, 305425, 344375, 354293, 401875, 466175, 1527125, 1771465, 2330875, 7635625, 8857325, 11654375, 44286625, 221433125]

約数ペア:

[(1, 221433125), (5, 44286625), (19, 11654375), (25, 8857325), (29, 7635625), (95, 2330875), (125, 1771465), (145, 1527125), (475, 466175), (551, 401875), (625, 354293), (643, 344375), (725, 305425), (2375, 93235), (2755, 80375), (3215, 68875), (3625, 61085), (11875, 18647), (12217, 18125), (13775, 16075)]