381201040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2053}}^1$

素因数の和:2288

約数の個数: 80

約数和(自身を含む): 971919936

約数和(自身を除く): 590718896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 422, 440, 844, 880, 1055, 1688, 2053, 2110, 2321, 3376, 4106, 4220, 4642, 8212, 8440, 9284, 10265, 11605, 16424, 16880, 18568, 20530, 22583, 23210, 32848, 37136, 41060, 45166, 46420, 82120, 90332, 92840, 112915, 164240, 180664, 185680, 225830, 361328, 433183, 451660, 866366, 903320, 1732732, 1806640, 2165915, 3465464, 4331830, 4765013, 6930928, 8663660, 9530026, 17327320, 19060052, 23825065, 34654640, 38120104, 47650130, 76240208, 95300260, 190600520, 381201040]

約数ペア:

[(1, 381201040), (2, 190600520), (4, 95300260), (5, 76240208), (8, 47650130), (10, 38120104), (11, 34654640), (16, 23825065), (20, 19060052), (22, 17327320), (40, 9530026), (44, 8663660), (55, 6930928), (80, 4765013), (88, 4331830), (110, 3465464), (176, 2165915), (211, 1806640), (220, 1732732), (422, 903320), (440, 866366), (844, 451660), (880, 433183), (1055, 361328), (1688, 225830), (2053, 185680), (2110, 180664), (2321, 164240), (3376, 112915), (4106, 92840), (4220, 90332), (4642, 82120), (8212, 46420), (8440, 45166), (9284, 41060), (10265, 37136), (11605, 32848), (16424, 23210), (16880, 22583), (18568, 20530)]