312404680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1115731}}^1$

素因数の和:1115749

約数の個数: 32

約数和(自身を含む): 803327040

約数和(自身を除く): 490922360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1115731, 2231462, 4462924, 5578655, 7810117, 8925848, 11157310, 15620234, 22314620, 31240468, 39050585, 44629240, 62480936, 78101170, 156202340, 312404680]

約数ペア:

[(1, 312404680), (2, 156202340), (4, 78101170), (5, 62480936), (7, 44629240), (8, 39050585), (10, 31240468), (14, 22314620), (20, 15620234), (28, 11157310), (35, 8925848), (40, 7810117), (56, 5578655), (70, 4462924), (140, 2231462), (280, 1115731)]