30245740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4409}}^1$

素因数の和:4439

約数の個数: 48

約数和(自身を含む): 74088000

約数和(自身を除く): 43842260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4409, 6860, 8818, 17636, 22045, 30863, 44090, 61726, 88180, 123452, 154315, 216041, 308630, 432082, 617260, 864164, 1080205, 1512287, 2160410, 3024574, 4320820, 6049148, 7561435, 15122870, 30245740]

約数ペア:

[(1, 30245740), (2, 15122870), (4, 7561435), (5, 6049148), (7, 4320820), (10, 3024574), (14, 2160410), (20, 1512287), (28, 1080205), (35, 864164), (49, 617260), (70, 432082), (98, 308630), (140, 216041), (196, 154315), (245, 123452), (343, 88180), (490, 61726), (686, 44090), (980, 30863), (1372, 22045), (1715, 17636), (3430, 8818), (4409, 6860)]