3430840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{12253}}^1$

素因数の和:12271

約数の個数: 32

約数和(自身を含む): 8822880

約数和(自身を除く): 5392040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 12253, 24506, 49012, 61265, 85771, 98024, 122530, 171542, 245060, 343084, 428855, 490120, 686168, 857710, 1715420, 3430840]

約数ペア:

[(1, 3430840), (2, 1715420), (4, 857710), (5, 686168), (7, 490120), (8, 428855), (10, 343084), (14, 245060), (20, 171542), (28, 122530), (35, 98024), (40, 85771), (56, 61265), (70, 49012), (140, 24506), (280, 12253)]