268613840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{305243}}^1$

素因数の和:305267

約数の個数: 40

約数和(自身を含む): 681304608

約数和(自身を除く): 412690768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 305243, 610486, 1220972, 1526215, 2441944, 3052430, 3357673, 4883888, 6104860, 6715346, 12209720, 13430692, 16788365, 24419440, 26861384, 33576730, 53722768, 67153460, 134306920, 268613840]

約数ペア:

[(1, 268613840), (2, 134306920), (4, 67153460), (5, 53722768), (8, 33576730), (10, 26861384), (11, 24419440), (16, 16788365), (20, 13430692), (22, 12209720), (40, 6715346), (44, 6104860), (55, 4883888), (80, 3357673), (88, 3052430), (110, 2441944), (176, 1526215), (220, 1220972), (440, 610486), (880, 305243)]