205031120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{366127}}^1$

素因数の和:366147

約数の個数: 40

約数和(自身を含む): 544798464

約数和(自身を除く): 339767344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 366127, 732254, 1464508, 1830635, 2562889, 2929016, 3661270, 5125778, 5858032, 7322540, 10251556, 12814445, 14645080, 20503112, 25628890, 29290160, 41006224, 51257780, 102515560, 205031120]

約数ペア:

[(1, 205031120), (2, 102515560), (4, 51257780), (5, 41006224), (7, 29290160), (8, 25628890), (10, 20503112), (14, 14645080), (16, 12814445), (20, 10251556), (28, 7322540), (35, 5858032), (40, 5125778), (56, 3661270), (70, 2929016), (80, 2562889), (112, 1830635), (140, 1464508), (280, 732254), (560, 366127)]