111422920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397939}}^1$

素因数の和:397957

約数の個数: 32

約数和(自身を含む): 286516800

約数和(自身を除く): 175093880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397939, 795878, 1591756, 1989695, 2785573, 3183512, 3979390, 5571146, 7958780, 11142292, 13927865, 15917560, 22284584, 27855730, 55711460, 111422920]

約数ペア:

[(1, 111422920), (2, 55711460), (4, 27855730), (5, 22284584), (7, 15917560), (8, 13927865), (10, 11142292), (14, 7958780), (20, 5571146), (28, 3979390), (35, 3183512), (40, 2785573), (56, 1989695), (70, 1591756), (140, 795878), (280, 397939)]