42560140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:2914

約数の個数: 48

約数和(自身を含む): 103118400

約数和(自身を除く): 60558260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 2789, 3052, 3815, 5578, 7630, 11156, 13945, 15260, 19523, 27890, 39046, 55780, 78092, 97615, 195230, 304001, 390460, 608002, 1216004, 1520005, 2128007, 3040010, 4256014, 6080020, 8512028, 10640035, 21280070, 42560140]

約数ペア:

[(1, 42560140), (2, 21280070), (4, 10640035), (5, 8512028), (7, 6080020), (10, 4256014), (14, 3040010), (20, 2128007), (28, 1520005), (35, 1216004), (70, 608002), (109, 390460), (140, 304001), (218, 195230), (436, 97615), (545, 78092), (763, 55780), (1090, 39046), (1526, 27890), (2180, 19523), (2789, 15260), (3052, 13945), (3815, 11156), (5578, 7630)]