30806440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110023}}^1$

素因数の和:110041

約数の個数: 32

約数和(自身を含む): 79217280

約数和(自身を除く): 48410840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110023, 220046, 440092, 550115, 770161, 880184, 1100230, 1540322, 2200460, 3080644, 3850805, 4400920, 6161288, 7701610, 15403220, 30806440]

約数ペア:

[(1, 30806440), (2, 15403220), (4, 7701610), (5, 6161288), (7, 4400920), (8, 3850805), (10, 3080644), (14, 2200460), (20, 1540322), (28, 1100230), (35, 880184), (40, 770161), (56, 550115), (70, 440092), (140, 220046), (280, 110023)]