27951980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199657}}^1$

素因数の和:199673

約数の個数: 24

約数和(自身を含む): 67085088

約数和(自身を除く): 39133108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199657, 399314, 798628, 998285, 1397599, 1996570, 2795198, 3993140, 5590396, 6987995, 13975990, 27951980]

約数ペア:

[(1, 27951980), (2, 13975990), (4, 6987995), (5, 5590396), (7, 3993140), (10, 2795198), (14, 1996570), (20, 1397599), (28, 998285), (35, 798628), (70, 399314), (140, 199657)]