208538396525

素因数分解:

$5^2\times {\mathrm{179}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1\times {\mathrm{433}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 262243215360

約数和(自身を除く): 53704818835

約数列:

[1, 5, 25, 179, 281, 383, 433, 895, 1405, 1915, 2165, 4475, 7025, 9575, 10825, 50299, 68557, 77507, 107623, 121673, 165839, 251495, 342785, 387535, 538115, 608365, 829195, 1257475, 1713925, 1937675, 2690575, 3041825, 4145975, 19264517, 21779467, 29685181, 46600759, 96322585, 108897335, 148425905, 233003795, 481612925, 544486675, 742129525, 1165018975, 8341535861, 41707679305, 208538396525]

約数ペア:

[(1, 208538396525), (5, 41707679305), (25, 8341535861), (179, 1165018975), (281, 742129525), (383, 544486675), (433, 481612925), (895, 233003795), (1405, 148425905), (1915, 108897335), (2165, 96322585), (4475, 46600759), (7025, 29685181), (9575, 21779467), (10825, 19264517), (50299, 4145975), (68557, 3041825), (77507, 2690575), (107623, 1937675), (121673, 1713925), (165839, 1257475), (251495, 829195), (342785, 608365), (387535, 538115)]