319845880

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{15289}}^1$

素因数の和:15823

約数の個数: 32

約数和(自身を含む): 721076400

約数和(自身を除く): 401230520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 15289, 20920, 30578, 61156, 76445, 122312, 152890, 305780, 611560, 7996147, 15992294, 31984588, 39980735, 63969176, 79961470, 159922940, 319845880]

約数ペア:

[(1, 319845880), (2, 159922940), (4, 79961470), (5, 63969176), (8, 39980735), (10, 31984588), (20, 15992294), (40, 7996147), (523, 611560), (1046, 305780), (2092, 152890), (2615, 122312), (4184, 76445), (5230, 61156), (10460, 30578), (15289, 20920)]