348538520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 893030400

約数和(自身を除く): 544491880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 79, 88, 110, 148, 158, 185, 220, 271, 296, 316, 370, 395, 407, 440, 542, 632, 740, 790, 814, 869, 1084, 1355, 1480, 1580, 1628, 1738, 2035, 2168, 2710, 2923, 2981, 3160, 3256, 3476, 4070, 4345, 5420, 5846, 5962, 6952, 8140, 8690, 10027, 10840, 11692, 11924, 14615, 14905, 16280, 17380, 20054, 21409, 23384, 23848, 29230, 29810, 32153, 34760, 40108, 42818, 50135, 58460, 59620, 64306, 80216, 85636, 100270, 107045, 110297, 116920, 119240, 128612, 160765, 171272, 200540, 214090, 220594, 235499, 257224, 321530, 401080, 428180, 441188, 470998, 551485, 643060, 792133, 856360, 882376, 941996, 1102970, 1177495, 1286120, 1584266, 1883992, 2205940, 2354990, 3168532, 3960665, 4411880, 4709980, 6337064, 7921330, 8713463, 9419960, 15842660, 17426926, 31685320, 34853852, 43567315, 69707704, 87134630, 174269260, 348538520]

約数ペア:

[(1, 348538520), (2, 174269260), (4, 87134630), (5, 69707704), (8, 43567315), (10, 34853852), (11, 31685320), (20, 17426926), (22, 15842660), (37, 9419960), (40, 8713463), (44, 7921330), (55, 6337064), (74, 4709980), (79, 4411880), (88, 3960665), (110, 3168532), (148, 2354990), (158, 2205940), (185, 1883992), (220, 1584266), (271, 1286120), (296, 1177495), (316, 1102970), (370, 941996), (395, 882376), (407, 856360), (440, 792133), (542, 643060), (632, 551485), (740, 470998), (790, 441188), (814, 428180), (869, 401080), (1084, 321530), (1355, 257224), (1480, 235499), (1580, 220594), (1628, 214090), (1738, 200540), (2035, 171272), (2168, 160765), (2710, 128612), (2923, 119240), (2981, 116920), (3160, 110297), (3256, 107045), (3476, 100270), (4070, 85636), (4345, 80216), (5420, 64306), (5846, 59620), (5962, 58460), (6952, 50135), (8140, 42818), (8690, 40108), (10027, 34760), (10840, 32153), (11692, 29810), (11924, 29230), (14615, 23848), (14905, 23384), (16280, 21409), (17380, 20054)]