1905490030

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{147827}}^1$

素因数の和:149123

約数の個数: 16

約数和(自身を含む): 3432566160

約数和(自身を除く): 1527076130

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 147827, 295654, 739135, 1478270, 190549003, 381098006, 952745015, 1905490030]

約数ペア:

[(1, 1905490030), (2, 952745015), (5, 381098006), (10, 190549003), (1289, 1478270), (2578, 739135), (6445, 295654), (12890, 147827)]