17898632020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{34729}}^1$

素因数の和:35164

約数の個数: 48

約数和(自身を含む): 38211057360

約数和(自身を除く): 20312425340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 353, 365, 706, 730, 1412, 1460, 1765, 3530, 7060, 25769, 34729, 51538, 69458, 103076, 128845, 138916, 173645, 257690, 347290, 515380, 694580, 2535217, 5070434, 10140868, 12259337, 12676085, 24518674, 25352170, 49037348, 50704340, 61296685, 122593370, 245186740, 894931601, 1789863202, 3579726404, 4474658005, 8949316010, 17898632020]

約数ペア:

[(1, 17898632020), (2, 8949316010), (4, 4474658005), (5, 3579726404), (10, 1789863202), (20, 894931601), (73, 245186740), (146, 122593370), (292, 61296685), (353, 50704340), (365, 49037348), (706, 25352170), (730, 24518674), (1412, 12676085), (1460, 12259337), (1765, 10140868), (3530, 5070434), (7060, 2535217), (25769, 694580), (34729, 515380), (51538, 347290), (69458, 257690), (103076, 173645), (128845, 138916)]