1305290

素因数分解:

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

素因数の和:686

約数の個数: 32

約数和(自身を含む): 2782080

約数和(自身を除く): 1476790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 643, 1015, 1286, 2030, 3215, 4501, 6430, 9002, 18647, 22505, 37294, 45010, 93235, 130529, 186470, 261058, 652645, 1305290]

約数ペア:

[(1, 1305290), (2, 652645), (5, 261058), (7, 186470), (10, 130529), (14, 93235), (29, 45010), (35, 37294), (58, 22505), (70, 18647), (145, 9002), (203, 6430), (290, 4501), (406, 3215), (643, 2030), (1015, 1286)]