200440400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{21787}}^1$

素因数の和:21828

約数の個数: 60

約数和(自身を含む): 502518432

約数和(自身を除く): 302078032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2300, 4600, 9200, 21787, 43574, 87148, 108935, 174296, 217870, 348592, 435740, 501101, 544675, 871480, 1002202, 1089350, 1742960, 2004404, 2178700, 2505505, 4008808, 4357400, 5011010, 8017616, 8714800, 10022020, 12527525, 20044040, 25055050, 40088080, 50110100, 100220200, 200440400]

約数ペア:

[(1, 200440400), (2, 100220200), (4, 50110100), (5, 40088080), (8, 25055050), (10, 20044040), (16, 12527525), (20, 10022020), (23, 8714800), (25, 8017616), (40, 5011010), (46, 4357400), (50, 4008808), (80, 2505505), (92, 2178700), (100, 2004404), (115, 1742960), (184, 1089350), (200, 1002202), (230, 871480), (368, 544675), (400, 501101), (460, 435740), (575, 348592), (920, 217870), (1150, 174296), (1840, 108935), (2300, 87148), (4600, 43574), (9200, 21787)]