201791480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5153}}^1$

素因数の和:5264

約数の個数: 64

約数和(自身を含む): 500968800

約数和(自身を除く): 299177320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 5153, 7832, 9790, 10306, 19580, 20612, 25765, 39160, 41224, 51530, 56683, 103060, 113366, 206120, 226732, 283415, 453464, 458617, 566830, 917234, 1133660, 1834468, 2267320, 2293085, 3668936, 4586170, 5044787, 9172340, 10089574, 18344680, 20179148, 25223935, 40358296, 50447870, 100895740, 201791480]

約数ペア:

[(1, 201791480), (2, 100895740), (4, 50447870), (5, 40358296), (8, 25223935), (10, 20179148), (11, 18344680), (20, 10089574), (22, 9172340), (40, 5044787), (44, 4586170), (55, 3668936), (88, 2293085), (89, 2267320), (110, 1834468), (178, 1133660), (220, 917234), (356, 566830), (440, 458617), (445, 453464), (712, 283415), (890, 226732), (979, 206120), (1780, 113366), (1958, 103060), (3560, 56683), (3916, 51530), (4895, 41224), (5153, 39160), (7832, 25765), (9790, 20612), (10306, 19580)]