212826420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{394123}}^1$

素因数の和:394141

約数の個数: 48

約数和(自身を含む): 662128320

約数和(自身を除く): 449301900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 394123, 788246, 1182369, 1576492, 1970615, 2364738, 3547107, 3941230, 4729476, 5911845, 7094214, 7882460, 10641321, 11823690, 14188428, 17735535, 21282642, 23647380, 35471070, 42565284, 53206605, 70942140, 106413210, 212826420]

約数ペア:

[(1, 212826420), (2, 106413210), (3, 70942140), (4, 53206605), (5, 42565284), (6, 35471070), (9, 23647380), (10, 21282642), (12, 17735535), (15, 14188428), (18, 11823690), (20, 10641321), (27, 7882460), (30, 7094214), (36, 5911845), (45, 4729476), (54, 3941230), (60, 3547107), (90, 2364738), (108, 1970615), (135, 1576492), (180, 1182369), (270, 788246), (540, 394123)]