30928520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110459}}^1$

素因数の和:110477

約数の個数: 32

約数和(自身を含む): 79531200

約数和(自身を除く): 48602680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110459, 220918, 441836, 552295, 773213, 883672, 1104590, 1546426, 2209180, 3092852, 3866065, 4418360, 6185704, 7732130, 15464260, 30928520]

約数ペア:

[(1, 30928520), (2, 15464260), (4, 7732130), (5, 6185704), (7, 4418360), (8, 3866065), (10, 3092852), (14, 2209180), (20, 1546426), (28, 1104590), (35, 883672), (40, 773213), (56, 552295), (70, 441836), (140, 220918), (280, 110459)]