2870840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10253}}^1$

素因数の和:10271

約数の個数: 32

約数和(自身を含む): 7382880

約数和(自身を除く): 4512040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10253, 20506, 41012, 51265, 71771, 82024, 102530, 143542, 205060, 287084, 358855, 410120, 574168, 717710, 1435420, 2870840]

約数ペア:

[(1, 2870840), (2, 1435420), (4, 717710), (5, 574168), (7, 410120), (8, 358855), (10, 287084), (14, 205060), (20, 143542), (28, 102530), (35, 82024), (40, 71771), (56, 51265), (70, 41012), (140, 20506), (280, 10253)]