248816680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{888631}}^1$

素因数の和:888649

約数の個数: 32

約数和(自身を含む): 639815040

約数和(自身を除く): 390998360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 888631, 1777262, 3554524, 4443155, 6220417, 7109048, 8886310, 12440834, 17772620, 24881668, 31102085, 35545240, 49763336, 62204170, 124408340, 248816680]

約数ペア:

[(1, 248816680), (2, 124408340), (4, 62204170), (5, 49763336), (7, 35545240), (8, 31102085), (10, 24881668), (14, 17772620), (20, 12440834), (28, 8886310), (35, 7109048), (40, 6220417), (56, 4443155), (70, 3554524), (140, 1777262), (280, 888631)]