203977984

素因数分解:

$2^8\times 7^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 500371200

約数和(自身を除く): 296393216

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 101, 112, 128, 161, 184, 196, 202, 224, 256, 322, 343, 368, 392, 404, 448, 644, 686, 707, 736, 784, 808, 896, 1127, 1288, 1372, 1414, 1472, 1568, 1616, 1792, 2254, 2323, 2576, 2744, 2828, 2944, 3136, 3232, 4508, 4646, 4949, 5152, 5488, 5656, 5888, 6272, 6464, 7889, 9016, 9292, 9898, 10304, 10976, 11312, 12544, 12928, 15778, 16261, 18032, 18584, 19796, 20608, 21952, 22624, 25856, 31556, 32522, 34643, 36064, 37168, 39592, 41216, 43904, 45248, 63112, 65044, 69286, 72128, 74336, 79184, 87808, 90496, 113827, 126224, 130088, 138572, 144256, 148672, 158368, 180992, 227654, 252448, 260176, 277144, 288512, 297344, 316736, 455308, 504896, 520352, 554288, 594688, 633472, 796789, 910616, 1009792, 1040704, 1108576, 1266944, 1593578, 1821232, 2019584, 2081408, 2217152, 3187156, 3642464, 4162816, 4434304, 6374312, 7284928, 8868608, 12748624, 14569856, 25497248, 29139712, 50994496, 101988992, 203977984]

約数ペア:

[(1, 203977984), (2, 101988992), (4, 50994496), (7, 29139712), (8, 25497248), (14, 14569856), (16, 12748624), (23, 8868608), (28, 7284928), (32, 6374312), (46, 4434304), (49, 4162816), (56, 3642464), (64, 3187156), (92, 2217152), (98, 2081408), (101, 2019584), (112, 1821232), (128, 1593578), (161, 1266944), (184, 1108576), (196, 1040704), (202, 1009792), (224, 910616), (256, 796789), (322, 633472), (343, 594688), (368, 554288), (392, 520352), (404, 504896), (448, 455308), (644, 316736), (686, 297344), (707, 288512), (736, 277144), (784, 260176), (808, 252448), (896, 227654), (1127, 180992), (1288, 158368), (1372, 148672), (1414, 144256), (1472, 138572), (1568, 130088), (1616, 126224), (1792, 113827), (2254, 90496), (2323, 87808), (2576, 79184), (2744, 74336), (2828, 72128), (2944, 69286), (3136, 65044), (3232, 63112), (4508, 45248), (4646, 43904), (4949, 41216), (5152, 39592), (5488, 37168), (5656, 36064), (5888, 34643), (6272, 32522), (6464, 31556), (7889, 25856), (9016, 22624), (9292, 21952), (9898, 20608), (10304, 19796), (10976, 18584), (11312, 18032), (12544, 16261), (12928, 15778)]