181027420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{30071}}^1$

素因数の和:30130

約数の個数: 48

約数和(自身を含む): 444584448

約数和(自身を除く): 263557028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 30071, 60142, 120284, 150355, 210497, 300710, 420994, 601420, 841988, 1052485, 1293053, 2104970, 2586106, 4209940, 5172212, 6465265, 9051371, 12930530, 18102742, 25861060, 36205484, 45256855, 90513710, 181027420]

約数ペア:

[(1, 181027420), (2, 90513710), (4, 45256855), (5, 36205484), (7, 25861060), (10, 18102742), (14, 12930530), (20, 9051371), (28, 6465265), (35, 5172212), (43, 4209940), (70, 2586106), (86, 2104970), (140, 1293053), (172, 1052485), (215, 841988), (301, 601420), (430, 420994), (602, 300710), (860, 210497), (1204, 150355), (1505, 120284), (3010, 60142), (6020, 30071)]