29681420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4111}}^1$

素因数の和:4158

約数の個数: 36

約数和(自身を含む): 65800224

約数和(自身を除く): 36118804

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 4111, 7220, 8222, 16444, 20555, 41110, 78109, 82220, 156218, 312436, 390545, 781090, 1484071, 1562180, 2968142, 5936284, 7420355, 14840710, 29681420]

約数ペア:

[(1, 29681420), (2, 14840710), (4, 7420355), (5, 5936284), (10, 2968142), (19, 1562180), (20, 1484071), (38, 781090), (76, 390545), (95, 312436), (190, 156218), (361, 82220), (380, 78109), (722, 41110), (1444, 20555), (1805, 16444), (3610, 8222), (4111, 7220)]