9900940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{10103}}^1$

素因数の和:10126

約数の個数: 36

約数和(自身を含む): 24188976

約数和(自身を除く): 14288036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 10103, 20206, 40412, 50515, 70721, 101030, 141442, 202060, 282884, 353605, 495047, 707210, 990094, 1414420, 1980188, 2475235, 4950470, 9900940]

約数ペア:

[(1, 9900940), (2, 4950470), (4, 2475235), (5, 1980188), (7, 1414420), (10, 990094), (14, 707210), (20, 495047), (28, 353605), (35, 282884), (49, 202060), (70, 141442), (98, 101030), (140, 70721), (196, 50515), (245, 40412), (490, 20206), (980, 10103)]