291344240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4663}}^1$

素因数の和:4758

約数の個数: 80

約数和(自身を含む): 749523456

約数和(自身を除く): 458179216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2840, 3124, 3905, 4663, 5680, 6248, 7810, 9326, 12496, 15620, 18652, 23315, 31240, 37304, 46630, 51293, 62480, 74608, 93260, 102586, 186520, 205172, 256465, 331073, 373040, 410344, 512930, 662146, 820688, 1025860, 1324292, 1655365, 2051720, 2648584, 3310730, 3641803, 4103440, 5297168, 6621460, 7283606, 13242920, 14567212, 18209015, 26485840, 29134424, 36418030, 58268848, 72836060, 145672120, 291344240]

約数ペア:

[(1, 291344240), (2, 145672120), (4, 72836060), (5, 58268848), (8, 36418030), (10, 29134424), (11, 26485840), (16, 18209015), (20, 14567212), (22, 13242920), (40, 7283606), (44, 6621460), (55, 5297168), (71, 4103440), (80, 3641803), (88, 3310730), (110, 2648584), (142, 2051720), (176, 1655365), (220, 1324292), (284, 1025860), (355, 820688), (440, 662146), (568, 512930), (710, 410344), (781, 373040), (880, 331073), (1136, 256465), (1420, 205172), (1562, 186520), (2840, 102586), (3124, 93260), (3905, 74608), (4663, 62480), (5680, 51293), (6248, 46630), (7810, 37304), (9326, 31240), (12496, 23315), (15620, 18652)]