679954975

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 985651200

約数和(自身を除く): 305696225

約数列:

[1, 5, 7, 25, 35, 79, 137, 175, 359, 395, 553, 685, 959, 1795, 1975, 2513, 2765, 3425, 4795, 8975, 10823, 12565, 13825, 23975, 28361, 49183, 54115, 62825, 75761, 141805, 198527, 245915, 270575, 344281, 378805, 709025, 992635, 1229575, 1721405, 1894025, 3885457, 4963175, 8607025, 19427285, 27198199, 97136425, 135990995, 679954975]

約数ペア:

[(1, 679954975), (5, 135990995), (7, 97136425), (25, 27198199), (35, 19427285), (79, 8607025), (137, 4963175), (175, 3885457), (359, 1894025), (395, 1721405), (553, 1229575), (685, 992635), (959, 709025), (1795, 378805), (1975, 344281), (2513, 270575), (2765, 245915), (3425, 198527), (4795, 141805), (8975, 75761), (10823, 62825), (12565, 54115), (13825, 49183), (23975, 28361)]