305175025

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 385689600

約数和(自身を除く): 80514575

約数列:

[1, 5, 25, 79, 191, 395, 809, 955, 1975, 4045, 4775, 15089, 20225, 63911, 75445, 154519, 319555, 377225, 772595, 1597775, 3862975, 12207001, 61035005, 305175025]

約数ペア:

[(1, 305175025), (5, 61035005), (25, 12207001), (79, 3862975), (191, 1597775), (395, 772595), (809, 377225), (955, 319555), (1975, 154519), (4045, 75445), (4775, 63911), (15089, 20225)]