2610580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 6491520

約数和(自身を除く): 3880940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 643, 812, 1015, 1286, 2030, 2572, 3215, 4060, 4501, 6430, 9002, 12860, 18004, 18647, 22505, 37294, 45010, 74588, 90020, 93235, 130529, 186470, 261058, 372940, 522116, 652645, 1305290, 2610580]

約数ペア:

[(1, 2610580), (2, 1305290), (4, 652645), (5, 522116), (7, 372940), (10, 261058), (14, 186470), (20, 130529), (28, 93235), (29, 90020), (35, 74588), (58, 45010), (70, 37294), (116, 22505), (140, 18647), (145, 18004), (203, 12860), (290, 9002), (406, 6430), (580, 4501), (643, 4060), (812, 3215), (1015, 2572), (1286, 2030)]