211324070

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 386380800

約数和(自身を除く): 175056730

約数列:

[1, 2, 5, 10, 103, 199, 206, 398, 515, 995, 1030, 1031, 1990, 2062, 5155, 10310, 20497, 40994, 102485, 106193, 204970, 205169, 212386, 410338, 530965, 1025845, 1061930, 2051690, 21132407, 42264814, 105662035, 211324070]

約数ペア:

[(1, 211324070), (2, 105662035), (5, 42264814), (10, 21132407), (103, 2051690), (199, 1061930), (206, 1025845), (398, 530965), (515, 410338), (995, 212386), (1030, 205169), (1031, 204970), (1990, 106193), (2062, 102485), (5155, 40994), (10310, 20497)]