858587780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{3923}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 1866945024

約数和(自身を除く): 1008357244

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 353, 620, 706, 1412, 1765, 3530, 3923, 7060, 7846, 10943, 15692, 19615, 21886, 39230, 43772, 54715, 78460, 109430, 121613, 218860, 243226, 486452, 608065, 1216130, 1384819, 2432260, 2769638, 5539276, 6924095, 13848190, 27696380, 42929389, 85858778, 171717556, 214646945, 429293890, 858587780]

約数ペア:

[(1, 858587780), (2, 429293890), (4, 214646945), (5, 171717556), (10, 85858778), (20, 42929389), (31, 27696380), (62, 13848190), (124, 6924095), (155, 5539276), (310, 2769638), (353, 2432260), (620, 1384819), (706, 1216130), (1412, 608065), (1765, 486452), (3530, 243226), (3923, 218860), (7060, 121613), (7846, 109430), (10943, 78460), (15692, 54715), (19615, 43772), (21886, 39230)]