208528180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{3889}}^1$

素因数の和:4288

約数の個数: 48

約数和(自身を含む): 501903360

約数和(自身を除く): 293375180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1532, 1915, 2681, 3830, 3889, 5362, 7660, 7778, 10724, 13405, 15556, 19445, 26810, 27223, 38890, 53620, 54446, 77780, 108892, 136115, 272230, 544460, 1489487, 2978974, 5957948, 7447435, 10426409, 14894870, 20852818, 29789740, 41705636, 52132045, 104264090, 208528180]

約数ペア:

[(1, 208528180), (2, 104264090), (4, 52132045), (5, 41705636), (7, 29789740), (10, 20852818), (14, 14894870), (20, 10426409), (28, 7447435), (35, 5957948), (70, 2978974), (140, 1489487), (383, 544460), (766, 272230), (1532, 136115), (1915, 108892), (2681, 77780), (3830, 54446), (3889, 53620), (5362, 38890), (7660, 27223), (7778, 26810), (10724, 19445), (13405, 15556)]