128270375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 165110400

約数和(自身を除く): 36840025

約数列:

[1, 5, 25, 71, 97, 125, 149, 355, 485, 745, 1775, 2425, 3725, 6887, 8875, 10579, 12125, 14453, 18625, 34435, 52895, 72265, 172175, 264475, 361325, 860875, 1026163, 1322375, 1806625, 5130815, 25654075, 128270375]

約数ペア:

[(1, 128270375), (5, 25654075), (25, 5130815), (71, 1806625), (97, 1322375), (125, 1026163), (149, 860875), (355, 361325), (485, 264475), (745, 172175), (1775, 72265), (2425, 52895), (3725, 34435), (6887, 18625), (8875, 14453), (10579, 12125)]