261567200

素因数分解:

$2^5\times 5^2\times {\mathrm{557}}^1\times {\mathrm{587}}^1$

素因数の和:1164

約数の個数: 72

約数和(自身を含む): 640787112

約数和(自身を除く): 379219912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 557, 587, 800, 1114, 1174, 2228, 2348, 2785, 2935, 4456, 4696, 5570, 5870, 8912, 9392, 11140, 11740, 13925, 14675, 17824, 18784, 22280, 23480, 27850, 29350, 44560, 46960, 55700, 58700, 89120, 93920, 111400, 117400, 222800, 234800, 326959, 445600, 469600, 653918, 1307836, 1634795, 2615672, 3269590, 5231344, 6539180, 8173975, 10462688, 13078360, 16347950, 26156720, 32695900, 52313440, 65391800, 130783600, 261567200]

約数ペア:

[(1, 261567200), (2, 130783600), (4, 65391800), (5, 52313440), (8, 32695900), (10, 26156720), (16, 16347950), (20, 13078360), (25, 10462688), (32, 8173975), (40, 6539180), (50, 5231344), (80, 3269590), (100, 2615672), (160, 1634795), (200, 1307836), (400, 653918), (557, 469600), (587, 445600), (800, 326959), (1114, 234800), (1174, 222800), (2228, 117400), (2348, 111400), (2785, 93920), (2935, 89120), (4456, 58700), (4696, 55700), (5570, 46960), (5870, 44560), (8912, 29350), (9392, 27850), (11140, 23480), (11740, 22280), (13925, 18784), (14675, 17824)]