85780780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 184209984

約数和(自身を除く): 98429204

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 193, 284, 313, 355, 386, 626, 710, 772, 965, 1252, 1420, 1565, 1930, 3130, 3860, 6260, 13703, 22223, 27406, 44446, 54812, 60409, 68515, 88892, 111115, 120818, 137030, 222230, 241636, 274060, 302045, 444460, 604090, 1208180, 4289039, 8578078, 17156156, 21445195, 42890390, 85780780]

約数ペア:

[(1, 85780780), (2, 42890390), (4, 21445195), (5, 17156156), (10, 8578078), (20, 4289039), (71, 1208180), (142, 604090), (193, 444460), (284, 302045), (313, 274060), (355, 241636), (386, 222230), (626, 137030), (710, 120818), (772, 111115), (965, 88892), (1252, 68515), (1420, 60409), (1565, 54812), (1930, 44446), (3130, 27406), (3860, 22223), (6260, 13703)]