27797420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198553}}^1$

素因数の和:198569

約数の個数: 24

約数和(自身を含む): 66714144

約数和(自身を除く): 38916724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198553, 397106, 794212, 992765, 1389871, 1985530, 2779742, 3971060, 5559484, 6949355, 13898710, 27797420]

約数ペア:

[(1, 27797420), (2, 13898710), (4, 6949355), (5, 5559484), (7, 3971060), (10, 2779742), (14, 1985530), (20, 1389871), (28, 992765), (35, 794212), (70, 397106), (140, 198553)]