4320820

素因数分解:

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

素因数の和:4432

約数の個数: 36

約数和(自身を含む): 10557540

約数和(自身を除く): 6236720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4409, 8818, 17636, 22045, 30863, 44090, 61726, 88180, 123452, 154315, 216041, 308630, 432082, 617260, 864164, 1080205, 2160410, 4320820]

約数ペア:

[(1, 4320820), (2, 2160410), (4, 1080205), (5, 864164), (7, 617260), (10, 432082), (14, 308630), (20, 216041), (28, 154315), (35, 123452), (49, 88180), (70, 61726), (98, 44090), (140, 30863), (196, 22045), (245, 17636), (490, 8818), (980, 4409)]