129890860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10007}}^1$

素因数の和:10086

約数の個数: 48

約数和(自身を含む): 302641920

約数和(自身を除く): 172751060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 10007, 12980, 20014, 40028, 50035, 100070, 110077, 200140, 220154, 440308, 550385, 590413, 1100770, 1180826, 2201540, 2361652, 2952065, 5904130, 6494543, 11808260, 12989086, 25978172, 32472715, 64945430, 129890860]

約数ペア:

[(1, 129890860), (2, 64945430), (4, 32472715), (5, 25978172), (10, 12989086), (11, 11808260), (20, 6494543), (22, 5904130), (44, 2952065), (55, 2361652), (59, 2201540), (110, 1180826), (118, 1100770), (220, 590413), (236, 550385), (295, 440308), (590, 220154), (649, 200140), (1180, 110077), (1298, 100070), (2596, 50035), (3245, 40028), (6490, 20014), (10007, 12980)]