304845160

素因数分解:

$2^3\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{3851}}^1$

素因数の和:5841

約数の個数: 32

約数和(自身を含む): 686426400

約数和(自身を除く): 381581240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1979, 3851, 3958, 7702, 7916, 9895, 15404, 15832, 19255, 19790, 30808, 38510, 39580, 77020, 79160, 154040, 7621129, 15242258, 30484516, 38105645, 60969032, 76211290, 152422580, 304845160]

約数ペア:

[(1, 304845160), (2, 152422580), (4, 76211290), (5, 60969032), (8, 38105645), (10, 30484516), (20, 15242258), (40, 7621129), (1979, 154040), (3851, 79160), (3958, 77020), (7702, 39580), (7916, 38510), (9895, 30808), (15404, 19790), (15832, 19255)]