30288580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{216347}}^1$

素因数の和:216363

約数の個数: 24

約数和(自身を含む): 72692928

約数和(自身を除く): 42404348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 216347, 432694, 865388, 1081735, 1514429, 2163470, 3028858, 4326940, 6057716, 7572145, 15144290, 30288580]

約数ペア:

[(1, 30288580), (2, 15144290), (4, 7572145), (5, 6057716), (7, 4326940), (10, 3028858), (14, 2163470), (20, 1514429), (28, 1081735), (35, 865388), (70, 432694), (140, 216347)]