126920920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{453289}}^1$

素因数の和:453307

約数の個数: 32

約数和(自身を含む): 326368800

約数和(自身を除く): 199447880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 453289, 906578, 1813156, 2266445, 3173023, 3626312, 4532890, 6346046, 9065780, 12692092, 15865115, 18131560, 25384184, 31730230, 63460460, 126920920]

約数ペア:

[(1, 126920920), (2, 63460460), (4, 31730230), (5, 25384184), (7, 18131560), (8, 15865115), (10, 12692092), (14, 9065780), (20, 6346046), (28, 4532890), (35, 3626312), (40, 3173023), (56, 2266445), (70, 1813156), (140, 906578), (280, 453289)]