140421320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 352832760

約数和(自身を除く): 212411440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 281, 310, 403, 520, 562, 620, 806, 961, 1124, 1240, 1405, 1612, 1922, 2015, 2248, 2810, 3224, 3653, 3844, 4030, 4805, 5620, 7306, 7688, 8060, 8711, 9610, 11240, 12493, 14612, 16120, 17422, 18265, 19220, 24986, 29224, 34844, 36530, 38440, 43555, 49972, 62465, 69688, 73060, 87110, 99944, 113243, 124930, 146120, 174220, 226486, 249860, 270041, 348440, 452972, 499720, 540082, 566215, 905944, 1080164, 1132430, 1350205, 2160328, 2264860, 2700410, 3510533, 4529720, 5400820, 7021066, 10801640, 14042132, 17552665, 28084264, 35105330, 70210660, 140421320]

約数ペア:

[(1, 140421320), (2, 70210660), (4, 35105330), (5, 28084264), (8, 17552665), (10, 14042132), (13, 10801640), (20, 7021066), (26, 5400820), (31, 4529720), (40, 3510533), (52, 2700410), (62, 2264860), (65, 2160328), (104, 1350205), (124, 1132430), (130, 1080164), (155, 905944), (248, 566215), (260, 540082), (281, 499720), (310, 452972), (403, 348440), (520, 270041), (562, 249860), (620, 226486), (806, 174220), (961, 146120), (1124, 124930), (1240, 113243), (1405, 99944), (1612, 87110), (1922, 73060), (2015, 69688), (2248, 62465), (2810, 49972), (3224, 43555), (3653, 38440), (3844, 36530), (4030, 34844), (4805, 29224), (5620, 24986), (7306, 19220), (7688, 18265), (8060, 17422), (8711, 16120), (9610, 14612), (11240, 12493)]