193392920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{690689}}^1$

素因数の和:690707

約数の個数: 32

約数和(自身を含む): 497296800

約数和(自身を除く): 303903880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 690689, 1381378, 2762756, 3453445, 4834823, 5525512, 6906890, 9669646, 13813780, 19339292, 24174115, 27627560, 38678584, 48348230, 96696460, 193392920]

約数ペア:

[(1, 193392920), (2, 96696460), (4, 48348230), (5, 38678584), (7, 27627560), (8, 24174115), (10, 19339292), (14, 13813780), (20, 9669646), (28, 6906890), (35, 5525512), (40, 4834823), (56, 3453445), (70, 2762756), (140, 1381378), (280, 690689)]