1838620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2773988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 571, 644, 805, 1142, 1610, 2284, 2855, 3220, 3997, 5710, 7994, 11420, 13133, 15988, 19985, 26266, 39970, 52532, 65665, 79940, 91931, 131330, 183862, 262660, 367724, 459655, 919310, 1838620]

約数ペア:

[(1, 1838620), (2, 919310), (4, 459655), (5, 367724), (7, 262660), (10, 183862), (14, 131330), (20, 91931), (23, 79940), (28, 65665), (35, 52532), (46, 39970), (70, 26266), (92, 19985), (115, 15988), (140, 13133), (161, 11420), (230, 7994), (322, 5710), (460, 3997), (571, 3220), (644, 2855), (805, 2284), (1142, 1610)]