30784870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 56960640

約数和(自身を除く): 26175770

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 305, 463, 545, 610, 926, 1090, 2315, 4630, 6649, 13298, 28243, 33245, 50467, 56486, 66490, 100934, 141215, 252335, 282430, 504670, 3078487, 6156974, 15392435, 30784870]

約数ペア:

[(1, 30784870), (2, 15392435), (5, 6156974), (10, 3078487), (61, 504670), (109, 282430), (122, 252335), (218, 141215), (305, 100934), (463, 66490), (545, 56486), (610, 50467), (926, 33245), (1090, 28243), (2315, 13298), (4630, 6649)]