200993920

素因数分解:

$2^7\times 5^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 482225400

約数和(自身を除く): 281231480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 509, 617, 640, 1018, 1234, 2036, 2468, 2545, 3085, 4072, 4936, 5090, 6170, 8144, 9872, 10180, 12340, 16288, 19744, 20360, 24680, 32576, 39488, 40720, 49360, 65152, 78976, 81440, 98720, 162880, 197440, 314053, 325760, 394880, 628106, 1256212, 1570265, 2512424, 3140530, 5024848, 6281060, 10049696, 12562120, 20099392, 25124240, 40198784, 50248480, 100496960, 200993920]

約数ペア:

[(1, 200993920), (2, 100496960), (4, 50248480), (5, 40198784), (8, 25124240), (10, 20099392), (16, 12562120), (20, 10049696), (32, 6281060), (40, 5024848), (64, 3140530), (80, 2512424), (128, 1570265), (160, 1256212), (320, 628106), (509, 394880), (617, 325760), (640, 314053), (1018, 197440), (1234, 162880), (2036, 98720), (2468, 81440), (2545, 78976), (3085, 65152), (4072, 49360), (4936, 40720), (5090, 39488), (6170, 32576), (8144, 24680), (9872, 20360), (10180, 19744), (12340, 16288)]