289320385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 368582400

約数和(自身を除く): 79262015

約数列:

[1, 5, 29, 71, 145, 157, 179, 355, 785, 895, 2059, 4553, 5191, 10295, 11147, 12709, 22765, 25955, 28103, 55735, 63545, 140515, 323263, 368561, 814987, 1616315, 1842805, 1995313, 4074935, 9976565, 57864077, 289320385]

約数ペア:

[(1, 289320385), (5, 57864077), (29, 9976565), (71, 4074935), (145, 1995313), (157, 1842805), (179, 1616315), (355, 814987), (785, 368561), (895, 323263), (2059, 140515), (4553, 63545), (5191, 55735), (10295, 28103), (11147, 25955), (12709, 22765)]