2085163075

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 2925348480

約数和(自身を除く): 840185405

約数列:

[1, 5, 19, 25, 29, 31, 95, 145, 155, 257, 361, 475, 551, 589, 725, 775, 899, 1285, 1805, 2755, 2945, 4495, 4883, 6425, 7453, 7967, 9025, 10469, 11191, 13775, 14725, 17081, 22475, 24415, 37265, 39835, 52345, 55955, 85405, 92777, 122075, 141607, 151373, 186325, 199175, 231043, 261725, 279775, 324539, 427025, 463885, 708035, 756865, 1155215, 1622695, 2319425, 2690533, 2876087, 3540175, 3784325, 4389817, 5776075, 8113475, 13452665, 14380435, 21949085, 67263325, 71902175, 83406523, 109745425, 417032615, 2085163075]

約数ペア:

[(1, 2085163075), (5, 417032615), (19, 109745425), (25, 83406523), (29, 71902175), (31, 67263325), (95, 21949085), (145, 14380435), (155, 13452665), (257, 8113475), (361, 5776075), (475, 4389817), (551, 3784325), (589, 3540175), (725, 2876087), (775, 2690533), (899, 2319425), (1285, 1622695), (1805, 1155215), (2755, 756865), (2945, 708035), (4495, 463885), (4883, 427025), (6425, 324539), (7453, 279775), (7967, 261725), (9025, 231043), (10469, 199175), (11191, 186325), (13775, 151373), (14725, 141607), (17081, 122075), (22475, 92777), (24415, 85405), (37265, 55955), (39835, 52345)]