190590890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{388961}}^1$

素因数の和:388982

約数の個数: 24

約数和(自身を含む): 399075012

約数和(自身を除く): 208484122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 388961, 777922, 1944805, 2722727, 3889610, 5445454, 13613635, 19059089, 27227270, 38118178, 95295445, 190590890]

約数ペア:

[(1, 190590890), (2, 95295445), (5, 38118178), (7, 27227270), (10, 19059089), (14, 13613635), (35, 5445454), (49, 3889610), (70, 2722727), (98, 1944805), (245, 777922), (490, 388961)]