42989660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43867}}^1$

素因数の和:43890

約数の個数: 36

約数和(自身を含む): 105019992

約数和(自身を除く): 62030332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 43867, 87734, 175468, 219335, 307069, 438670, 614138, 877340, 1228276, 1535345, 2149483, 3070690, 4298966, 6141380, 8597932, 10747415, 21494830, 42989660]

約数ペア:

[(1, 42989660), (2, 21494830), (4, 10747415), (5, 8597932), (7, 6141380), (10, 4298966), (14, 3070690), (20, 2149483), (28, 1535345), (35, 1228276), (49, 877340), (70, 614138), (98, 438670), (140, 307069), (196, 219335), (245, 175468), (490, 87734), (980, 43867)]