42101780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{42961}}^1$

素因数の和:42984

約数の個数: 36

約数和(自身を含む): 102851028

約数和(自身を除く): 60749248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 42961, 85922, 171844, 214805, 300727, 429610, 601454, 859220, 1202908, 1503635, 2105089, 3007270, 4210178, 6014540, 8420356, 10525445, 21050890, 42101780]

約数ペア:

[(1, 42101780), (2, 21050890), (4, 10525445), (5, 8420356), (7, 6014540), (10, 4210178), (14, 3007270), (20, 2105089), (28, 1503635), (35, 1202908), (49, 859220), (70, 601454), (98, 429610), (140, 300727), (196, 214805), (245, 171844), (490, 85922), (980, 42961)]