140615020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77261}}^1$

素因数の和:77290

約数の個数: 48

約数和(自身を含む): 363440448

約数和(自身を除く): 222825428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 77261, 154522, 309044, 386305, 540827, 772610, 1004393, 1081654, 1545220, 2008786, 2163308, 2704135, 4017572, 5021965, 5408270, 7030751, 10043930, 10816540, 14061502, 20087860, 28123004, 35153755, 70307510, 140615020]

約数ペア:

[(1, 140615020), (2, 70307510), (4, 35153755), (5, 28123004), (7, 20087860), (10, 14061502), (13, 10816540), (14, 10043930), (20, 7030751), (26, 5408270), (28, 5021965), (35, 4017572), (52, 2704135), (65, 2163308), (70, 2008786), (91, 1545220), (130, 1081654), (140, 1004393), (182, 772610), (260, 540827), (364, 386305), (455, 309044), (910, 154522), (1820, 77261)]