200720128

素因数分解:

$2^8\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 462843360

約数和(自身を除く): 262123232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 202, 224, 256, 404, 448, 707, 808, 896, 1109, 1414, 1616, 1792, 2218, 2828, 3232, 4436, 5656, 6464, 7763, 8872, 11312, 12928, 15526, 17744, 22624, 25856, 31052, 35488, 45248, 62104, 70976, 90496, 112009, 124208, 141952, 180992, 224018, 248416, 283904, 448036, 496832, 784063, 896072, 993664, 1568126, 1792144, 1987328, 3136252, 3584288, 6272504, 7168576, 12545008, 14337152, 25090016, 28674304, 50180032, 100360064, 200720128]

約数ペア:

[(1, 200720128), (2, 100360064), (4, 50180032), (7, 28674304), (8, 25090016), (14, 14337152), (16, 12545008), (28, 7168576), (32, 6272504), (56, 3584288), (64, 3136252), (101, 1987328), (112, 1792144), (128, 1568126), (202, 993664), (224, 896072), (256, 784063), (404, 496832), (448, 448036), (707, 283904), (808, 248416), (896, 224018), (1109, 180992), (1414, 141952), (1616, 124208), (1792, 112009), (2218, 90496), (2828, 70976), (3232, 62104), (4436, 45248), (5656, 35488), (6464, 31052), (7763, 25856), (8872, 22624), (11312, 17744), (12928, 15526)]