172885160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{617447}}^1$

素因数の和:617465

約数の個数: 32

約数和(自身を含む): 444562560

約数和(自身を除く): 271677400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 617447, 1234894, 2469788, 3087235, 4322129, 4939576, 6174470, 8644258, 12348940, 17288516, 21610645, 24697880, 34577032, 43221290, 86442580, 172885160]

約数ペア:

[(1, 172885160), (2, 86442580), (4, 43221290), (5, 34577032), (7, 24697880), (8, 21610645), (10, 17288516), (14, 12348940), (20, 8644258), (28, 6174470), (35, 4939576), (40, 4322129), (56, 3087235), (70, 2469788), (140, 1234894), (280, 617447)]