729097880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2603921}}^1$

素因数の和:2603939

約数の個数: 32

約数和(自身を含む): 1874823840

約数和(自身を除く): 1145725960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2603921, 5207842, 10415684, 13019605, 18227447, 20831368, 26039210, 36454894, 52078420, 72909788, 91137235, 104156840, 145819576, 182274470, 364548940, 729097880]

約数ペア:

[(1, 729097880), (2, 364548940), (4, 182274470), (5, 145819576), (7, 104156840), (8, 91137235), (10, 72909788), (14, 52078420), (20, 36454894), (28, 26039210), (35, 20831368), (40, 18227447), (56, 13019605), (70, 10415684), (140, 5207842), (280, 2603921)]