27721070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 55339200

約数和(自身を除く): 27618130

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 169, 235, 338, 349, 470, 611, 698, 845, 1222, 1690, 1745, 3055, 3490, 4537, 6110, 7943, 9074, 15886, 16403, 22685, 32806, 39715, 45370, 58981, 79430, 82015, 117962, 164030, 213239, 294905, 426478, 589810, 1066195, 2132390, 2772107, 5544214, 13860535, 27721070]

約数ペア:

[(1, 27721070), (2, 13860535), (5, 5544214), (10, 2772107), (13, 2132390), (26, 1066195), (47, 589810), (65, 426478), (94, 294905), (130, 213239), (169, 164030), (235, 117962), (338, 82015), (349, 79430), (470, 58981), (611, 45370), (698, 39715), (845, 32806), (1222, 22685), (1690, 16403), (1745, 15886), (3055, 9074), (3490, 7943), (4537, 6110)]