287797060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 616659120

約数和(自身を除く): 328862060

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 970, 1090, 1361, 1940, 2180, 2722, 5444, 6805, 10573, 13610, 21146, 27220, 42292, 52865, 105730, 132017, 148349, 211460, 264034, 296698, 528068, 593396, 660085, 741745, 1320170, 1483490, 2640340, 2966980, 14389853, 28779706, 57559412, 71949265, 143898530, 287797060]

約数ペア:

[(1, 287797060), (2, 143898530), (4, 71949265), (5, 57559412), (10, 28779706), (20, 14389853), (97, 2966980), (109, 2640340), (194, 1483490), (218, 1320170), (388, 741745), (436, 660085), (485, 593396), (545, 528068), (970, 296698), (1090, 264034), (1361, 211460), (1940, 148349), (2180, 132017), (2722, 105730), (5444, 52865), (6805, 42292), (10573, 27220), (13610, 21146)]