30708020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5101}}^1$

素因数の和:5160

約数の個数: 48

約数和(自身を含む): 75427968

約数和(自身を除く): 44719948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5101, 6020, 10202, 20404, 25505, 35707, 51010, 71414, 102020, 142828, 178535, 219343, 357070, 438686, 714140, 877372, 1096715, 1535401, 2193430, 3070802, 4386860, 6141604, 7677005, 15354010, 30708020]

約数ペア:

[(1, 30708020), (2, 15354010), (4, 7677005), (5, 6141604), (7, 4386860), (10, 3070802), (14, 2193430), (20, 1535401), (28, 1096715), (35, 877372), (43, 714140), (70, 438686), (86, 357070), (140, 219343), (172, 178535), (215, 142828), (301, 102020), (430, 71414), (602, 51010), (860, 35707), (1204, 25505), (1505, 20404), (3010, 10202), (5101, 6020)]