262702912240

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{47149}}^1$

素因数の和:47690

約数の個数: 80

約数和(自身を含む): 615436502400

約数和(自身を除く): 352733590160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 271, 514, 542, 1028, 1084, 1285, 1355, 2056, 2168, 2570, 2710, 4112, 4336, 5140, 5420, 10280, 10840, 20560, 21680, 47149, 69647, 94298, 139294, 188596, 235745, 278588, 348235, 377192, 471490, 557176, 696470, 754384, 942980, 1114352, 1392940, 1885960, 2785880, 3771920, 5571760, 12117293, 12777379, 24234586, 25554758, 48469172, 51109516, 60586465, 63886895, 96938344, 102219032, 121172930, 127773790, 193876688, 204438064, 242345860, 255547580, 484691720, 511095160, 969383440, 1022190320, 3283786403, 6567572806, 13135145612, 16418932015, 26270291224, 32837864030, 52540582448, 65675728060, 131351456120, 262702912240]

約数ペア:

[(1, 262702912240), (2, 131351456120), (4, 65675728060), (5, 52540582448), (8, 32837864030), (10, 26270291224), (16, 16418932015), (20, 13135145612), (40, 6567572806), (80, 3283786403), (257, 1022190320), (271, 969383440), (514, 511095160), (542, 484691720), (1028, 255547580), (1084, 242345860), (1285, 204438064), (1355, 193876688), (2056, 127773790), (2168, 121172930), (2570, 102219032), (2710, 96938344), (4112, 63886895), (4336, 60586465), (5140, 51109516), (5420, 48469172), (10280, 25554758), (10840, 24234586), (20560, 12777379), (21680, 12117293), (47149, 5571760), (69647, 3771920), (94298, 2785880), (139294, 1885960), (188596, 1392940), (235745, 1114352), (278588, 942980), (348235, 754384), (377192, 696470), (471490, 557176)]