30145990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3391}}^1$

素因数の和:3532

約数の個数: 32

約数和(自身を含む): 62521344

約数和(自身を除く): 32375354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 3391, 4445, 6782, 8890, 16955, 23737, 33910, 47474, 118685, 237370, 430657, 861314, 2153285, 3014599, 4306570, 6029198, 15072995, 30145990]

約数ペア:

[(1, 30145990), (2, 15072995), (5, 6029198), (7, 4306570), (10, 3014599), (14, 2153285), (35, 861314), (70, 430657), (127, 237370), (254, 118685), (635, 47474), (889, 33910), (1270, 23737), (1778, 16955), (3391, 8890), (4445, 6782)]