42843640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21859}}^1$

素因数の和:21884

約数の個数: 48

約数和(自身を含む): 112141800

約数和(自身を除く): 69298160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21859, 43718, 87436, 109295, 153013, 174872, 218590, 306026, 437180, 612052, 765065, 874360, 1071091, 1224104, 1530130, 2142182, 3060260, 4284364, 5355455, 6120520, 8568728, 10710910, 21421820, 42843640]

約数ペア:

[(1, 42843640), (2, 21421820), (4, 10710910), (5, 8568728), (7, 6120520), (8, 5355455), (10, 4284364), (14, 3060260), (20, 2142182), (28, 1530130), (35, 1224104), (40, 1071091), (49, 874360), (56, 765065), (70, 612052), (98, 437180), (140, 306026), (196, 218590), (245, 174872), (280, 153013), (392, 109295), (490, 87436), (980, 43718), (1960, 21859)]