31493260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 70156800

約数和(自身を除く): 38663540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 463, 716, 895, 926, 1790, 1852, 2315, 3401, 3580, 4630, 6802, 8797, 9260, 13604, 17005, 17594, 34010, 35188, 43985, 68020, 82877, 87970, 165754, 175940, 331508, 414385, 828770, 1574663, 1657540, 3149326, 6298652, 7873315, 15746630, 31493260]

約数ペア:

[(1, 31493260), (2, 15746630), (4, 7873315), (5, 6298652), (10, 3149326), (19, 1657540), (20, 1574663), (38, 828770), (76, 414385), (95, 331508), (179, 175940), (190, 165754), (358, 87970), (380, 82877), (463, 68020), (716, 43985), (895, 35188), (926, 34010), (1790, 17594), (1852, 17005), (2315, 13604), (3401, 9260), (3580, 8797), (4630, 6802)]