204571840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:770

約数の個数: 112

約数和(自身を含む): 538215840

約数和(自身を除く): 333644000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 320, 352, 356, 440, 445, 653, 704, 712, 880, 890, 979, 1306, 1424, 1760, 1780, 1958, 2612, 2848, 3265, 3520, 3560, 3916, 4895, 5224, 5696, 6530, 7120, 7183, 7832, 9790, 10448, 13060, 14240, 14366, 15664, 19580, 20896, 26120, 28480, 28732, 31328, 35915, 39160, 41792, 52240, 57464, 58117, 62656, 71830, 78320, 104480, 114928, 116234, 143660, 156640, 208960, 229856, 232468, 287320, 290585, 313280, 459712, 464936, 574640, 581170, 639287, 929872, 1149280, 1162340, 1278574, 1859744, 2298560, 2324680, 2557148, 3196435, 3719488, 4649360, 5114296, 6392870, 9298720, 10228592, 12785740, 18597440, 20457184, 25571480, 40914368, 51142960, 102285920, 204571840]

約数ペア:

[(1, 204571840), (2, 102285920), (4, 51142960), (5, 40914368), (8, 25571480), (10, 20457184), (11, 18597440), (16, 12785740), (20, 10228592), (22, 9298720), (32, 6392870), (40, 5114296), (44, 4649360), (55, 3719488), (64, 3196435), (80, 2557148), (88, 2324680), (89, 2298560), (110, 1859744), (160, 1278574), (176, 1162340), (178, 1149280), (220, 929872), (320, 639287), (352, 581170), (356, 574640), (440, 464936), (445, 459712), (653, 313280), (704, 290585), (712, 287320), (880, 232468), (890, 229856), (979, 208960), (1306, 156640), (1424, 143660), (1760, 116234), (1780, 114928), (1958, 104480), (2612, 78320), (2848, 71830), (3265, 62656), (3520, 58117), (3560, 57464), (3916, 52240), (4895, 41792), (5224, 39160), (5696, 35915), (6530, 31328), (7120, 28732), (7183, 28480), (7832, 26120), (9790, 20896), (10448, 19580), (13060, 15664), (14240, 14366)]